The difference between Block and Roof

When used as nouns, block means a substantial, often approximately cuboid, piece of any substance, whereas roof means the external covering at the top of a building.

When used as verbs, block means to fill (something) so that it is not possible to pass, whereas roof means to cover or furnish with a roof.


check bellow for the other definitions of Block and Roof

  1. Block as a noun:

    A substantial, often approximately cuboid, piece of any substance.

    Examples:

    "a block of ice"

    "a block of stone"

  2. 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."

  3. 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."

  4. Block as a noun:

    A residential building consisting of flats.

    Examples:

    "a block of flats"

  5. 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."

  6. Block as a noun:

    Interference or obstruction of cognitive processes.

    Examples:

    "a [[mental]] block"

    "[[writer's block]]"

  7. Block as a noun (slang):

    The human head.

    Examples:

    "I'll knock your block off!"

  8. Block as a noun:

    A wig block: a simplified head model upon which wigs are worn.

  9. Block as a noun:

    A mould on which hats, bonnets, etc., are shaped.

  10. Block as a noun:

    A set of sheets (of paper) joined together at one end.

    Examples:

    "a block of 100 tickets"

  11. Block as a noun (computing):

    A logical data storage unit containing one or more physical sectors (see cluster).

  12. Block as a noun (programming):

    A region of code in a program that acts as a single unit, such as a function or loop.

  13. Block as a noun (cryptography):

    A fixed-length group of bits making up part of a message.

  14. 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.

  15. Block as a noun (chemistry):

    A portion of a macromolecule, comprising many units, that has at least one feature not present in adjacent portions.

  16. 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."

  17. Block as a noun (sports):

    An action to interfere with the movement of an opposing player or of the object of play (ball, puck).

  18. 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.

  19. 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.

  20. Block as a noun (philately):

    A joined group of four (or in some cases nine) postage stamps, forming a roughly square shape.

  21. Block as a noun:

    A section of split logs used as fuel.

  22. Block as a noun (UK):

    Solitary confinement.

  23. Block as a noun:

    A cellblock.

  24. Block as a noun (falconry):

    The perch on which a bird of prey is kept.

  25. Block as a noun (printing, dated):

    A piece of hard wood on which a stereotype or electrotype plate is mounted.

  26. Block as a noun (obsolete):

    A blockhead; a stupid fellow; a dolt.

  27. Block as a noun (rail):

    A section of a railroad where the block system is used.

  28. Block as a noun (cricket):

    The position of a player or bat when guarding the wicket.

  29. Block as a noun (cricket):

    A blockhole.

  30. Block as a noun (cricket):

    The popping crease.

  1. Block as a verb (transitive):

    To fill (something) so that it is not possible to pass.

    Examples:

    "The pipe is blocked."

  2. Block as a verb (transitive):

    To prevent (something or someone) from passing.

    Examples:

    "You're blocking the road – I can't get through."

  3. 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."

  4. 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."

  5. 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."

  6. Block as a verb (transitive, cricket):

    To hit with a block.

  7. Block as a verb (intransitive, cricket):

    To play a block shot.

  8. 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!"

  9. Block as a verb (computing, intransitive):

    To wait.

    Examples:

    "When the condition expression is false, the thread blocks on the condition variable."

  10. 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."

  11. Block as a verb (transitive):

    To shape or sketch out roughly.

  1. Block as a noun:

  1. Roof as a noun:

    The external covering at the top of a building

  2. Roof as a noun:

    The upper part of a cavity.

    Examples:

    "The palate is the roof of the mouth."

    "Archaeologists discovered that the cave's roof was decked with paintings."

  3. Roof as a noun (mining):

    The surface or bed of rock immediately overlying a bed of coal or a flat vein.

  1. Roof as a verb:

    To cover or furnish with a roof.

  2. Roof as a verb:

    To traverse buildings by walking or climbing across their roofs.

  3. Roof as a verb (slang):

    To put into prison for not a short time.

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