bud scale


Also found in: Thesaurus, Medical, Legal, Financial, Encyclopedia.

bud scale

n
(Botany) one of the hard protective sometimes hairy or resinous specialized leaves surrounding the buds of certain plants, such as the rhododendron

scale1

(skeɪl)

n., v. scaled, scal•ing. n.
1.
a. one of the thin flat horny plates forming the covering of certain animals, as snakes, lizards, and pangolins.
b. one of the hard bony or dentinal plates, either flat or denticulate, forming the covering of other animals, as fishes.
2. any thin platelike piece, lamina, or flake that peels off from a surface, as the skin.
3.
a. Also called bud scale. a specialized rudimentary leaf that protects an immature leaf bud.
b. a thin, dry, membranous part of a plant, as the bract of a catkin.
5. a coating, as on the inside of a boiler, formed by the precipitation of salts from the water.
6.
a. an oxide, esp. an iron oxide, occurring in a scaly form on the surface of metal brought to a high temperature.
b. such scale formed on iron or steel during hot-rolling.
v.t.
7. to remove the scales from: to scale a fish.
8. to remove in scales or thin layers.
9. to encrust with scale.
10. to skip, as a stone over water.
11. to remove (calculus) from teeth.
v.i.
12. to come off in scales.
13. to shed scales.
14. to become coated with scale.
[1250–1300; (n.) < Old French escale < West Germanic *skāla; (v.)scalen to remove scales from, derivative of the n.]

scale2

(skeɪl)

n., v. scaled, scal•ing. n.
1. Often, scales. a balance or any of various other instruments or devices for weighing.
2. either of the pans or dishes of a balance.
3. Scales, Libra.
v.t.
4. to weigh in scales.
Idioms:
tip the scale(s),
a. to weigh, esp. a large amount.
b. to be or become the crucial deciding factor.
[1175–1225; < Old Norse skālar (pl.), c. Old English scealu scale (of a balance)]

scale3

(skeɪl)

n., v. scaled, scal•ing. n.
1. a progression of steps or degrees.
2. a series of marks laid down at determinate distances, as along a line, for purposes of measurement or computation: the scale of a thermometer.
3.
a. a graduated line, as on a map, representing proportionate size.
b. the ratio of distances on a map to corresponding values on the surface of the earth.
4. any measuring instrument with graduated markings.
5. the proportion that a representation of an object bears to the object itself: a model on a scale of one inch to one foot.
6. relative size or extent: planning done on a grand scale.
7. a succession of tones ascending or descending according to fixed intervals.
8. a graded series of tests or tasks for measuring intelligence, achievement, adjustment, etc.
9. a system of numerical notation: the decimal scale.
10. Obs.
v.t.
11. to climb by or as if by a ladder; climb up or over.
12. to make according to scale.
13. to adjust proportionately; match or relate to some standard or measure.
14. to measure by or as if by a scale.
v.i.
15. to climb; ascend; mount.
16. to advance in a graduated series.
17. scale down (or up), to decrease (or increase) in amount: to scale down wages.
[1350–1400; (n.) Middle English < Latin scālae ladder, stairs; (v.) Middle English < Old French escaler or Medieval Latin scālāre, both ultimately derivative of Latin scāla, scālae]
References in periodicals archive ?
And yet, beneath the maple's expanding leaves, each tiny bud scale bore a spot of rich burgundy color; and along the inside face of the upper bud scales, tiny bubbles of transparent dew had collected during the previous night.
Entering through the bud scale margins, they do serious damage to maples, oaks, apples, cherries, basswood, crabapple, ash, and blueberry.
The twig needs to be big enough to show the position of the buds (opposite or alternate) and should include at least one bud scale scar to show the previous year's growth.