any plant louse of the family Aphididae, characterized by a waxy secretion that appears like a jumbled mass of fine, curly, white cottony or woolly threads, as Eriosoma lanigerum (woolly apple aphid or American blight) and Prociphilus tessellatus (woolly alder aphid).
any of various aphids that produce white waxy threads, as Adelges piceae (balsam woolly aphid).
Irregular Plural Nouns: People Change, but Aircraft Don’t
Irregular plural nouns are nouns that become plural in a way other than adding -s or -es to the end. It can be tough to remember which nouns are irregular, but here are a few guidelines for how to handle the ones that are. Regular Nouns First off, a noun is a person, place, or thing. Nouns are singular when they represent one item and …
Origin of woolly aphid
First recorded in 1835–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019