nit

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nit

 [nit]
the egg of a louse.

nit

(nit),
1. The ovum or hatched egg of a body, head, or crab louse; the egg is attached to human hair or clothing by a layer of chitin.
2. A unit of luminance; a luminous intensity of 1 candela per square meter of orthogonally projected surface.
[A.S. knitu]

nit

(nit) the egg of a louse.

nit

(nĭt)
n.
The egg of certain parasitic insects, especially a head louse.

nit′ty adj.

nit

the egg of a parasitic insect, particularly a louse. It may be found attached to human or animal hair or to clothing fiber. See also pediculosis.
enlarge picture
Microscopic view of a nit
Medical entomology An empty louse egg shell, deposited by Pediculus capitis, P corporis, Phthirus pubis—‘crabs’. See Louse
Physics nt A unit of luminance—photometric brightness equal to 1 candela/m2

nit

Medical entomology An empty louse egg shell, deposited by Pediculus capitis, P corporis, Phthirus pubis–'crabs'. See Louse.

nit

(nit)
1. The ovum of a body, head, or crab louse; it is attached to human hair or clothing by a layer of chitin.
2. A unit of luminance; a luminous intensity of 1 candela per square meter of orthogonally projected surface.
[A.S. knitu]

nit

A louse egg. Each egg is glued to the shaft of a hair very close to the skin surface. Most nits will not be removed by combing unless this fact is borne in mind. Nit-picking is not recommended.

nit

the egg of the human louse Pediculus humanus which is found attached to hair.

candela per square metre 

SI unit of luminance. Syn. nit. Symbol: cd/m2. See luminance; SI unit.

nit

louse egg.
Enlarge picture
Nit (louse egg) cemented to hair. By permission from Kummel BA, Color Atlas of Small Animal Dermatology, Mosby, 1989
References in periodicals archive ?
I never feel threatened in pubs, even those with sawdust on the floor and the clientele picking nits out of each other's hair.
Picking nits is not only profitable but a booming business, with lice detector's hiring out their services to the public.
It seems they're picking nits when they're about to be facing an ocean of problems,'' said attorney Louis Samonsky Jr.