Also found in: Thesaurus, Medical, Encyclopedia.


1. Greek & Roman Mythology Any of numerous minor deities represented as beautiful maidens inhabiting and sometimes personifying features of nature such as trees, waters, and mountains.
2. A sexually mature and attractive young woman.
a. The immature form of an insect, such as a grasshopper, that does not pass through a pupal stage during metamorphosis. Nymphs resemble adults but are smaller and lack fully developed wings.
b. The eight-legged immature form of certain arachnids, such as ticks and mites.

[Middle English nimphe, from Old French, from Latin nympha, from Greek numphē.]

nymph′al (nĭm′fəl) adj.
Mentioned in ?
References in periodicals archive ?
Under normal conditions, they take 30 days to go through all the nymphal stages.
burgdorferi), a spirochete transmitted by the blacklegged tick, Ixodes scapularis, and maintained in a horizontal transmission cycle between larval and nymphal I.
Pesticide application should be supervised by a licensed professional pest control expert and should be conducted when nymphal tick populations are at their local peaks.
The main goal of the present investigation was to evaluate the prevalence of nymphal stages of L serrata in domestic ruminant in Hamedan province, western Iran.
Krause and his collaborators first infected mice with 5-10 nymphal ticks, to approximate the average number of ticks that feed on an individual mouse in the wild.
Live bed bugs, shed nymphal skins, and dark excrement spots indicate an active infestation.
At that time the larvae will begin to molt into nymphal stage.