The difference between Block and Seal
When used as nouns, block means a substantial, often approximately cuboid, piece of any substance, whereas seal means a pinniped (pinnipedia), particularly an earless seal (true seal) or eared seal.
When used as verbs, block means to fill (something) so that it is not possible to pass, whereas seal means to hunt seals.
check bellow for the other definitions of Block and Seal
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Block as a noun:
A substantial, often approximately cuboid, piece of any substance.
Examples:
"a block of ice"
"a block of stone"
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Block as a noun:
A chopping block; cuboid base for cutting or beheading.
Examples:
"Anne Boleyn placed her head on the block and awaited her execution."
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Block as a noun:
A group of urban lots of property, several acres in extent, not crossed by public streets.
Examples:
"I'm going for a walk around the block."
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Block as a noun:
A residential building consisting of flats.
Examples:
"a block of flats"
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Block as a noun:
The distance from one street to another in a city that is built (approximately) to a grid pattern.
Examples:
"The place you are looking for is two long blocks east and one short block north."
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Block as a noun:
Interference or obstruction of cognitive processes.
Examples:
"a [[mental]] block"
"[[writer's block]]"
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Block as a noun (slang):
The human head.
Examples:
"I'll knock your block off!"
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Block as a noun:
A wig block: a simplified head model upon which wigs are worn.
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Block as a noun:
A mould on which hats, bonnets, etc., are shaped.
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Block as a noun:
A set of sheets (of paper) joined together at one end.
Examples:
"a block of 100 tickets"
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Block as a noun (computing):
A logical data storage unit containing one or more physical sectors (see cluster).
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Block as a noun (programming):
A region of code in a program that acts as a single unit, such as a function or loop.
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Block as a noun (cryptography):
A fixed-length group of bits making up part of a message.
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Block as a noun (rigging):
A case with one or more sheaves/pulleys, used with ropes to increase or redirect force, for example, as part of the rigging of a sailing ship.
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Block as a noun (chemistry):
A portion of a macromolecule, comprising many units, that has at least one feature not present in adjacent portions.
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Block as a noun:
Something that prevents something from passing.
Examples:
"synonyms barrier blockage obstruction"
"There's a block in the pipe that means the water can't get through."
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Block as a noun (sports):
An action to interfere with the movement of an opposing player or of the object of play (ball, puck).
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Block as a noun (cricket):
A shot played by holding the bat vertically in the path of the ball, so that it loses momentum and drops to the ground.
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Block as a noun (volleyball):
A defensive play by one or more players meant to deflect a spiked ball back to the hitter's court.
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Block as a noun (philately):
A joined group of four (or in some cases nine) postage stamps, forming a roughly square shape.
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Block as a noun:
A section of split logs used as fuel.
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Block as a noun (UK):
Solitary confinement.
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Block as a noun:
A cellblock.
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Block as a noun (falconry):
The perch on which a bird of prey is kept.
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Block as a noun (printing, dated):
A piece of hard wood on which a stereotype or electrotype plate is mounted.
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Block as a noun (obsolete):
A blockhead; a stupid fellow; a dolt.
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Block as a noun (rail):
A section of a railroad where the block system is used.
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Block as a noun (cricket):
The position of a player or bat when guarding the wicket.
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Block as a noun (cricket):
A blockhole.
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Block as a noun (cricket):
The popping crease.
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Block as a verb (transitive):
To fill (something) so that it is not possible to pass.
Examples:
"The pipe is blocked."
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Block as a verb (transitive):
To prevent (something or someone) from passing.
Examples:
"You're blocking the road – I can't get through."
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Block as a verb (transitive):
To prevent (something from happening or someone from doing something).
Examples:
"His plan to take over the business was blocked by the boss."
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Block as a verb (transitive, sports):
To impede an opponent.
Examples:
"He blocked the basketball player's shot."
"The offensive linemen tried to block the blitz."
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Block as a verb (transitive, theater):
To specify the positions and movements of the actors.
Examples:
"It was very difficult to block this scene convincingly."
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Block as a verb (transitive, cricket):
To hit with a block.
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Block as a verb (intransitive, cricket):
To play a block shot.
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Block as a verb (transitive):
To disable communication via telephone, instant messaging, etc., with an undesirable someone.
Examples:
"I tried to send you a message, but you've blocked me!"
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Block as a verb (computing, intransitive):
To wait.
Examples:
"When the condition expression is false, the thread blocks on the condition variable."
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Block as a verb (transitive):
To stretch or mould (a knitted item, a hat, etc.) into the desired shape.
Examples:
"I blocked the mittens by wetting them and pinning them to a shaped piece of cardboard."
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Block as a verb (transitive):
To shape or sketch out roughly.
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Block as a noun:
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Seal as a noun:
A pinniped (Pinnipedia), particularly an earless seal (true seal) or eared seal.
Examples:
"The seals in the harbor looked better than they smelled."
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Seal as a noun (heraldry):
A bearing representing a creature something like a walrus.
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Seal as a verb (intransitive):
To hunt seals.
Examples:
"They're organizing a protest against sealing."
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Seal as a noun:
A stamp used to impress a design on a soft substance such as wax.
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Seal as a noun:
An impression of such stamp on wax, paper or other material used for sealing.
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Seal as a noun:
A design or insignia usually associated with an organization or an official role.
Examples:
"The front of the podium bore the presidential seal."
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Seal as a noun:
Anything that secures or authenticates.
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Seal as a noun:
Something which will be visibly damaged if a covering or container is opened, and which may or may not bear an official design.
Examples:
"The result was declared invalid, as the seal on the meter had been broken."
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Seal as a noun:
Confirmation or an indication of confirmation.
Examples:
"Her clothes always had her mom's seal of approval."
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Seal as a noun:
Something designed to prevent liquids or gases from leaking through a joint.
Examples:
"The canister is leaking. I think the main seal needs to be replaced."
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Seal as a noun:
A tight closure, secure against leakage.
Examples:
"Close the lid tightly to get a good seal."
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Seal as a noun:
A chakra.
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Seal as a verb (transitive):
To place a seal on (a document).
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Seal as a verb:
To mark with a stamp, as an evidence of standard exactness, legal size, or merchantable quality.
Examples:
"to seal weights and measures; to seal silverware"
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Seal as a verb (transitive):
To fasten (something) so that it cannot be opened without visible damage.
Examples:
"The cover is sealed. If anyone tries to open it, we'll know about it."
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Seal as a verb (transitive):
To prevent people or vehicles from crossing (something).
Examples:
"The border has been sealed until the fugitives are found."
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Seal as a verb (transitive):
To close securely to prevent leakage.
Examples:
"I've sealed the bottle to keep the contents fresh."
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Seal as a verb (transitive):
To place in a sealed container.
Examples:
"I've sealed the documents in this envelope."
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Seal as a verb (transitive, chess):
To place a notation of one's next move in a sealed envelope to be opened after an adjournment.
Examples:
"After thinking for half an hour, the champion sealed his move."
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Seal as a verb (transitive):
To guarantee.
Examples:
"The last-minute goal sealed United's win."
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Seal as a verb:
To fix, as a piece of iron in a wall, with cement or plaster, etc.
Examples:
"rfquotek Gwilt"
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Seal as a verb:
To close by means of a seal.
Examples:
"to seal a drainpipe with water"
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Seal as a verb (Mormonism):
To confirm or set apart as a second or additional wife.
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Seal as a verb (dialectal):
To tie up animals (especially cattle) in their stalls.