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Glossary of Botanical Terms
beginning with letter K
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kernel Tweet Definition of kernel Like Definition of kernel on Facebook
  1. The core, center, or essence of an object or system.
  2. A single seed or grain, especially of corn or wheat.
  1. (computing) The central part of many computer operating systems which manages the system's resources and the communication between hardware and software components.
    1. (context, US) The stone of certain fruits, such as peaches or plums.
    2. (mathematics) Those elements, in the domain of a function, which the function maps to zero.
key Tweet Definition of key Like Definition of key on Facebook
  1. An object designed to open and close a lock.
  2. An object designed to fit between two other objects (such as a shaft and a wheel) in a mechanism and maintain the orientation between them.
  3. A crucial step or requirement.
the to solving this problem...
the to winning this game
  1. A guide explaining the symbols or terminology of a map or chart.
The says that A stands for the accounting department.
  1. One of several small, usually square buttons on a typewriter or computer keyboard, most of which generally correspond to a particular character.
Press the Escape .
  1. One of a number of rectangular moving parts on a piano or musical keyboard, each causing a particular sound or note to be produced.
  2. One of various levers on a musical instrument used to select notes, such as a lever opening a hole on a woodwind.
  3. (music) A hierarchical scale of musical notes on which a composition is based
the of B-flat major
  1. A device used to transmit Morse code.
  2. (cryptography) A piece of information (e.g. a passphrase) used to encode or decode a message or messages.
  3. (computing): In a database, a field of a relation constrained to be unique.
  4. (computing): In a database, a field in a record that is used as a search argument (but is not necessarily unique).
  5. (computing): A value that uniquely identifies an entry in an associative array.
  6. (basketball): The free-throw lane together with the circle surrounding the freethrow line, the freethrow lane having formerly been narrower, giving the area the shape of a skeleton key hole.
He shoots from the top of the .
  1. (slang): kilogram
  1. To fit (a lock) with a key.
  2. To fit (pieces of a mechanical assembly) with a key to maintain the orientation between them.
  3. (telegraphy and radio telegraphy) To depress (a telegraph key).
  4. (radio) To operate (the transmitter switch of a two-way radio).
  5. (computing): (more usually to key in) To enter (information) by typing on a keyboard or keypad.
Our instructor told us to in our user IDs.
  1. (colloquial) To use a key as a tool of convenience.
He keyed the car that had taken his parking spot.
  1. Indispensable.
He is the player for his soccer team.
He is the witness.
  1. Important, salient.
She makes several points
knot Tweet Definition of knot Like Definition of knot on Facebook
  1. 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.
When climbing, it is important to make sure that your knots are both secure and of types that will not weaken the rope.
  1. (of hair, etc) A tangled clump.
The young mother was brushing knots from her protesting child's hair.
  1. A maze-like pattern.
  2. (mathematics) A closed curve that is an abstraction of a knot (in sense 1 above).
  3. A difficult situation.
I got into a when I inadvertently insulted the policeman.
  1. A unit of speed, equal to one nautical mile per hour.
Cedric claimed his beat-up old yacht could make 20 knots, if he would just make a few repairs, but we figured he was pulling our leg.
  1. Either of two species of small wading birds, the red knot (Calidris canutus) and the great knot (Calidris tenuirostris).
  2. 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.
  1. Local swelling in a tissue area, especially skin, often due to injury.
Jeremy had a on his head where he had bumped it on the bedframe.
  1. (nautical) One nautical mile per hour.
verb (knot, t, ing)
  1. To form into a knot.
She knotted the ends of the rope to keep it from unravelling.
  1. To form wrinkles in the forehead, as a sign of concentration, concern, surprise, etc.
She knotted her brow in concentration as she attempted to unravel the tangled strands.
knotted Tweet Definition of knotted Like Definition of knotted on Facebook
  1. (past of, knot)
knurl Tweet Definition of knurl Like Definition of knurl on Facebook
  1. A contorted knot in wood.
  2. A crossgrained protuberance; a nodule; a boss or projection.
  3. A lined or crossgrained pattern of ridges or indentations rolled or pressed into a part for grip.
  1. To roll or press a pattern of ridges or indentations into a part for grip.

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