See Also: Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
lambert(medicine)
Lambert(dictionary)
Lambert's law(medicine)
Lambert Castle(tourism)
Lambert, Edward(medicine)
Lambert's syndrome(medicine)
Beer-Lambert law(medicine)
lambert pine(medicine)
eaton-lambert syndrome(medicine)

Lambert's law (medicine) and bob 1, verb (oh)


Lambert's law (medicine)


Lambert's law


Each layer of equal thickness absorbs an equal fraction of the light that traverses it; Cf.: Beer-Lambert law.

The illumination of a surface on which the light falls normally from a point source is inversely proportional to the square of the distance from the source.


bob 1, verb (oh)



1 v past tense and past participle bobbed present participle bobbing
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1 ?move on water?
2 ?move somewhere?
3 bob your head
4 ?cut hair?
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[Sense: 1-3; Date: 1300-1400; Origin: Perhaps from bob 'to hit, punch' (13-19 centuries), from the sound.]
[Sense: 4; Date: 1900-2000; Origin: BOB21]
?MOVE ON WATER?
[I] to move up and down when floating on the surface of water
::The boat bobbed gently up and down on the water.
?MOVE SOMEWHERE?
[I always + adverb/preposition] to move quickly in a particular direction
::Mrs Foster bobbed about, gathering up her things.
bob your head
to move your head down quickly as a way of showing respect, greeting someone, or agreeing with them
::He spoke rapidly to the girl, who bobbed her head.
?CUT HAIR?
[T] to cut someone's, especially a woman's, hair in a bob
::her neatly bobbed hair