|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
|—n , pl -las, -lae|
|1.||an established form or set of words, as used in religious ceremonies, legal proceedings, etc|
|2.||maths, physics a general relationship, principle, or rule stated, often as an equation, in the form of symbols|
|3.||chem molecular formula empirical formula See structural formula a representation of molecules, radicals, ions, etc, expressed in the symbols of the atoms of their constituent elements|
|4.||a. a method, pattern, or rule for doing or producing something, often one proved to be successful|
|b. (as modifier): formula fiction|
|5.||a. a prescription for making up a medicine, baby's food, etc|
|b. a substance prepared according to such a prescription|
|6.||motor racing the specific category in which a particular type of car competes, judged according to engine size, weight, and fuel capacity|
|[C17: from Latin: diminutive of forma|
"Men who try to speak what they believe, are naked men fighting men quilted sevenfold in formulae." [Charles Kingsley, "Letters," 1861]
formula for·mu·la (fôr'myə-lə)
n. pl. for·mu·las or for·mu·lae (-lē')
A symbolic representation of the chemical composition or of the chemical composition and structure of a compound.
The chemical compound so represented.
A prescription of ingredients in fixed proportion; a recipe.
A liquid food for infants, containing most of the nutrients in human milk.
A mathematical statement, especially an equation, of a fact, rule, principle, or other logical relation.
|formula (fôr'myə-lə) Pronunciation Key
Plural formulas or formulae (fôr'myə-lē')