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Knot vs Bulb - What's the difference?

knot | bulb | Related terms |

In nautical terms the difference between knot and bulb

is that knot is a unit of speed, equal to one nautical mile per hour while bulb is a bulbous protuberance at the forefoot of certain vessels to reduce turbulence.

As nouns the difference between knot and bulb

is that knot is a looping of a piece of string or of any other long, flexible material that cannot be untangled without passing one or both ends of the material through its loops while bulb is any solid object rounded at one end and tapering on the other, possibly attached to a larger object at the tapered end.

As verbs the difference between knot and bulb

is that knot is to form into a knot; to tie with a knot or knots while bulb is to take the shape of a bulb; to swell.

knot

English

Etymology 1

From (etyl) cnotta, from (etyl) , compare Latin nodus and its Romance successors.

Noun

(en noun)
  • A looping of a piece of string or of any other long, flexible material that cannot be untangled without passing one or both ends of the material through its loops.
  • Climbers must make sure that all knots are both secure and of types that will not weaken the rope.
  • (of hair, etc) A tangled clump.
  • The nurse was brushing knots from the protesting child's hair.
  • A maze-like pattern.
  • * Milton
  • Flowers worthy of paradise, which, not nice art / In beds and curious knots , but nature boon / Poured forth profuse on hill, and dale, and plain.
  • (mathematics) A non-self-intersecting closed curve in (e.g., three-dimensional) space that is an abstraction of a knot (in sense 1 above).
  • A knot can be defined as a non-self-intersecting broken line whose endpoints coincide: when such a knot is constrained to lie in a plane, then it is simply a polygon.
        A knot in its original sense can be modeled as a mathematical knot''' (or link) as follows: if the knot is made with a single piece of rope, then abstract the shape of that rope and then extend the working end to merge it with the standing end, yielding a mathematical '''knot'''. If the knot is attached to a metal ring, then that metal ring can be modeled as a trivial '''knot''' and the pair of '''knots''' become a link. If more than one mathematical ' knot (or link) can be thus obtained, then the simplest one (avoiding detours) is probably the one which one would want.
  • A difficult situation.
  • I got into a knot when I inadvertently insulted a policeman.
  • * South
  • A man shall be perplexed with knots , and problems of business, and contrary affairs.
  • The whorl left in lumber by the base of a branch growing out of the tree's trunk.
  • When preparing to tell stories at a campfire, I like to set aside a pile of pine logs with lots of knots , since they burn brighter and make dramatic pops and cracks.
  • Local swelling in a tissue area, especially skin, often due to injury.
  • Jeremy had a knot on his head where he had bumped it on the bedframe.
  • A protuberant joint in a plant.
  • Any knob, lump, swelling, or protuberance.
  • * Tennyson
  • With lips serenely placid, felt the knot / Climb in her throat.
  • The point on which the action of a story depends; the gist of a matter.
  • the knot of the tale
  • (engineering) A node.
  • A kind of epaulet; a shoulder knot.
  • A group of people or things.
  • * Shakespeare
  • his ancient knot of dangerous adversaries
  • * Sir Walter Scott
  • As they sat together in small, separate knots , they discussed doctrinal and metaphysical points of belief.
  • * 1968, Bryce Walton, Harpoon Gunner , Thomas Y. Crowell Company, NY, (1968), page 20,
  • He pushed through knots of whalemen grouped with their families and friends, and surrounded by piles of luggage.
  • A bond of union; a connection; a tie.
  • * Shakespeare
  • with nuptial knot
  • * Bishop Hall
  • ere we knit the knot that can never be loosed

    Verb

    (knott)
  • To form into a knot; to tie with a knot or knots.
  • We knotted the ends of the rope to keep it from unravelling.
  • * Tennyson
  • as tight as I could knot the noose
  • To form wrinkles in the forehead, as a sign of concentration, concern, surprise, etc.
  • She knotted her brow in concentration while attempting to unravel the tangled strands.
  • To unite closely; to knit together.
  • (Francis Bacon)
  • (obsolete, rare) To entangle or perplex; to puzzle.
  • Synonyms
    * (form into a knot) bind, tie * (form wrinkles in forehead) knit
    Antonyms
    * (form into a knot) loosen, unbind, unknot, untie

    See also

    * * braid * bruise * hickey * knit * loop * plait * tangle * tie * weave

    Etymology 2

    From the practice of counting the number of knots in the log-line (as it plays out) in a standard time. Traditionally spaced at one every 1/120th of a mile.

    Noun

    (en noun)
  • (nautical) A unit of speed, equal to one nautical mile per hour.
  • Cedric claimed his old yacht could make 12 knots .
  • (slang) A nautical mile (incorrectly)
  • See also
    *

    Etymology 3

    Supposed to be derived from the name of (King Canute), with whom the bird was a favourite article of food. See the species epithet canutus .

    Noun

    (en-noun)
  • One of a variety of shore birds; the red-breasted sandpiper (variously Calidris canutus or ).
  • See also

    * (Red Knot)

    Anagrams

    * ----

    bulb

    English

    Noun

    (en noun)
  • Any solid object rounded at one end and tapering on the other, possibly attached to a larger object at the tapered end.
  • the bulb of the aorta
  • A light bulb.
  • The bulb-shaped root portion of a plant such as a tulip, from which the rest of the plant may be regrown.
  • * 2005 , (Plato), Sophist . Translation by Lesley Brown. .
  • the plants which grow in the earth from seed or bulbs .
  • *
  • (nautical) a bulbous protuberance at the forefoot of certain vessels to reduce turbulence.
  • Derived terms

    * lampbulb * light bulb * flash bulb * tulip bulb

    Verb

    (en verb)
  • To take the shape of a bulb; to swell.
  • Anagrams

    *