In English, the word 'hair' can be used either as a countable or as an uncountable/mass noun. In both cases, it is singular.
A hair is ... (singular count noun)
Some hairs are ... (plural count noun)
Some hair is ... (singular mass noun)
When used as a count noun, 'hairs' are viewed as discrete countable things. When used as a mass noun, 'hair' is viewed as a substance that can be divided on a continuum.
The singular for lice is louse. However the word is rarely used as if you find one louse in your hair, there are certainly hundreds of lice there.
A "Pilus" is the Latin for a hair, so following the Latin rules for plurals, the plural is "pili".
"Lock (of hair)" or "streak (in the hair)" are English equivalents of the French word "mèche."Specifically, the feminine noun "mèche" includes among its meanings "lock (of hair), streak (in the hair)." Its feminine singular definite article "la" means "the." Its feminine singular indefinite article "une" means "a, one."The pronunciation is "mehsh."
The scientific name for human body hair is "vellus hair" or "terminal hair", depending on the type and location of the hair on the body. Vellus hair is fine, short, and light-colored, while terminal hair is coarser, longer, and darker.
"hair" is used as singular noun. eg: Varun's hair is dark. "hairs" is used with numbers or few. eg: Her 3 hairs are dark. or She has few grey hairs.
Barrette for hair, extrait for videos, clip, and pince for circuits are literal French equivalents of the English word "clip." The respective pronunciations of the feminine singular, masculine singular, English loan, and feminine singular nouns will be "bar-ret," ek-streh," kleep," and "pehs" in French.
The likely word may be cilia, hair-like projections from cell surfaces (singular cilium)
<improved answer> The singular possessive form of monkey is monkey's. For a singular possession to be shown, you would formulate the sentence to show that the monkey has something (possession) or owns something (possession) by adding an apostrophe after monkey. Example: The monkey's hair was blonde.
The possessive form of the singular noun louse is louse's.example: A louse's eggs are laid close to the scalp in cold climates and farther down the hair shaft in warm climates.
The noun 'mane' is a singular, common, concrete noun; a word for the long hair on the neck of a horse or a lion; a word for the long, thick hair of a person; a word for a thing.
The noun 'hair' is an uncountable noun as a word for a substance that grows from human or animal skin.The noun 'hair' is a count noun as a word for the strands or shafts of this substance.The plural noun is hairs.Examples:"Your hair is a mess!" (uncountable)"You have cat hairs on your coat." (countable)
First, cheveu is singular and cheveux is pluralHair is invariable in english, hairs does not exist in englishSecond, le cheveu is masculine, it means a piece of hair (from the head), les cheveux means hair