The difference between Backup and Line

When used as nouns, backup means a reserve or substitute, whereas line means an infinitely extending one-dimensional figure that has no curvature.

Backup is also adjective with the meaning: standby, reserve or extra.

Line is also verb with the meaning: to place (objects) into a line (usually used with "up").

check bellow for the other definitions of Backup and Line

  1. Backup as a noun:

    A reserve or substitute.

    Examples:

    "If the goalkeeper is injured, we have a backup."

  2. Backup as a noun (computing):

    A copy of a file or record, stored separately from the original, that can be used to recover the original if it is destroyed or damaged.

    Examples:

    "After the power failure, we had to restore the database from backup."

  3. Backup as a noun:

    An accumulation of material caused by a (partial) obstruction or (complete) blockage of the flow or movement of the material, or an accumulation of material that causes an overflow due to the flow being greater than the maximum possible flow.

    Examples:

    "The accident caused a mile-long backup on the highway."

    "The blockage caused a backup in the plumbing."

  4. Backup as a noun (law enforcement):

    reinforcements

    Examples:

    "He's got a gun! You'd better send for backup."

  1. Backup as an adjective:

    Standby, reserve or extra.

    Examples:

    "I am only a backup player."

  2. Backup as an adjective (computing):

    That is intended as a backup.

    Examples:

    "Make a backup copy of that file."

  1. Backup as a verb:

  1. Line as a noun (geometry):

    A path through two or more points (compare ‘segment'); a continuous mark, including as made by a pen; any path, curved or straight. An infinitely extending one-dimensional figure that has no curvature; one that has length but not breadth or thickness. A line segment; a continuous finite segment of such a figure. An edge of a graph. A circle of latitude or of longitude, as represented on a map. The equator. One of the straight horizontal and parallel prolonged strokes on and between which the notes are placed. The horizontal path of a ball towards the batsman (see also length). The goal line.

    Examples:

    "The arrow descended in a curved line."

  2. Line as a noun:

    A rope, cord, string, or thread, of any thickness.

  3. Line as a noun:

    A hose or pipe, of any size.

    Examples:

    "a [[brake line brake line]]'', the main water line to the house'',"

  4. Line as a noun:

    Direction, path.

    Examples:

    "the line of sight;  the line of vision"

  5. Line as a noun:

    The wire connecting one telegraphic station with another, a telephone or internet cable between two points: a telephone or network connection.

    Examples:

    "I tried to make a call, but the line was dead."

    "a dedicated line;  a shared line'"

    "Please speak up, the line is very faint."

  6. Line as a noun:

    A clothesline.

  7. Line as a noun:

    A letter, a written form of communication.

    Examples:

    "Drop me a line."

  8. Line as a noun:

    A connected series of public conveyances, as a roadbed or railway track; and hence, an established arrangement for forwarding merchandise, etc.

    Examples:

    "a line of stages;  an express line'"

  9. Line as a noun (military):

    A trench or rampart, or the non-physical demarcation of the extent of the territory occupied by specified forces.

  10. Line as a noun:

    The exterior limit of a figure or territory: a boundary, contour, or outline; a demarcation.

  11. Line as a noun:

    A long tape or ribbon marked with units for measuring; a tape measure.

  12. Line as a noun (obsolete):

    A measuring line or cord.

  13. Line as a noun:

    That which was measured by a line, such as a field or any piece of land set apart; hence, allotted place of abode.

  14. Line as a noun:

    A threadlike crease or wrinkle marking the face, hand, or body; hence, a characteristic mark.

  15. Line as a noun:

    Lineament; feature; figure (of one's body).

  16. Line as a noun:

    A more-or-less straight sequence of people, objects, etc., either arranged as a queue or column and often waiting to be processed or dealt with, or arranged abreast of one another in a row (and contrasted with a column), as in a military formation.

    Examples:

    "The line forms on the right."

    "There is a line of houses."

  17. Line as a noun (military):

    The regular infantry of an army, as distinguished from militia, guards, volunteer corps, cavalry, artillery etc.

  18. Line as a noun:

    A series or succession of ancestors or descendants of a given person; a family or race; compare lineage.

  19. Line as a noun:

    A small amount of text. Specifically: A written or printed row of letters, words, numbers or other text, especially a row of words extending across a page or column, or a blank in place of such text. A verse (in poetry). A sentence of dialogue, especially in a play, movie or the like. A lie or exaggeration, especially one told to gain another's approval or prevent losing it.

    Examples:

    "The answer to the comprehension question can be found in the third line of the accompanying text."

    "He was perfecting his pickup lines for use at the bar."

    "It is what it is" was one his more annoying lines."

    "Don't feed me a line!"

  20. Line as a noun:

    Course of conduct, thought, occupation, or policy; method of argument; department of industry, trade, or intellectual activity.

  21. Line as a noun:

    The official, stated position (or set of positions) of an individual or group, particularly a political or religious faction.

    Examples:

    "Remember, your answers must match the party line."

  22. Line as a noun:

    A set of products or services sold by a business, or by extension, the business itself.

    Examples:

    "'line of business, product line'"

    "How many buses does the line have?"

    "The airline is in danger of bankruptcy."

  23. Line as a noun (stock exchange):

    A number of shares taken by a jobber.

  24. Line as a noun (historical):

    A measure of length: A tsarist-era Russian unit of measure, approximately equal to one tenth of an English inch, used especially when measuring the calibre of firearms. One twelfth of an inch. One fortieth of an inch.

  25. Line as a noun (historical):

    A maxwell, a unit of magnetic flux.

  26. Line as a noun (baseball, slang, 1800s, with "the"):

    The batter's box.

  27. Line as a noun (fencing, ‘[[line of engagement]]’):

    The position in which the fencers hold their swords.

  28. Line as a noun (engineering):

    Proper relative position or adjustment (of parts, not as to design or proportion, but with reference to smooth working).

    Examples:

    "the engine is [[in line in line]] / [[out of line out of line]]"

  29. Line as a noun:

    A small portion or serving (of a powdery illegal drug).

  30. Line as a noun (obsolete):

    Instruction; doctrine.

  31. Line as a noun (genetics):

    Population of cells derived from a single cell and containing the same genetic makeup.

  32. Line as a noun:

    (perfusion line) a set composed of a spike, a drip chamber, a clamp, a Y-injection site, a three-way stopcock and a catheter.

  33. Line as a noun (ice hockey):

    A group of forwards that play together.

  34. Line as a noun (medicine, colloquial):

    A vascular catheter.

    Examples:

    "patient had a line inserted"

    "line sepsis"

  1. Line as a verb (transitive):

    To place (objects) into a line (usually used with "up"); to form into a line; to align.

    Examples:

    "to line troops"

    "rfex some more, please"

  2. Line as a verb (transitive):

    To place persons or things along the side of for security or defense; to strengthen by adding; to fortify.

    Examples:

    "to line works with soldiers"

  3. Line as a verb:

    To form a line along.

  4. Line as a verb (transitive):

    To mark with a line or lines, to cover with lines.

    Examples:

    "to line a copy book"

  5. Line as a verb (transitive, obsolete):

    To represent by lines; to delineate; to portray.

  6. Line as a verb (transitive):

    To read or repeat line by line.

    Examples:

    "to line out a hymn"

  7. Line as a verb (intransitive, ‘line up’):

    To form or enter into a line.

  8. Line as a verb (intransitive, baseball):

    To hit a line drive; to hit a line drive which is caught for an out. Compare fly and ground.

    Examples:

    "Jones lined to left in his last at-bat."

  9. Line as a verb:

    To track (wild bees) to their nest by following their line of flight.

  1. Line as a noun (obsolete):

    Flax; linen, particularly the longer fiber of flax.

  1. Line as a verb (transitive):

    To cover the inner surface of (something), originally especially with linen.

    Examples:

    "The bird lines its nest with soft grass."

    "to line a cloak with silk or fur"

    "to line a box with paper or tin"

    "paintings lined the walls of the cavernous dining room"

  2. Line as a verb:

    To reinforce (the back of a book) with glue and glued scrap material such as fabric or paper.

  3. Line as a verb (transitive):

    To fill or supply (something), as a purse with money.

    Examples:

    "to line the shelves"

  1. Line as a verb (transitive, now, rare, of a dog):

    to copulate with, to impregnate.

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