Noun: quadratic
| Singular | quadratic |
| Plural | quadratics |
Sample Sentences
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If the binomial roots of a series of quadratics be squaredly squared, and those results be constant portions of the cube of the resolvend, and the dioristic limit; […] [1809, Charles Hutton, The Philosophical Transactions of the Royal Society of London from Their Commencement in 1665 to the Year 1800, volume 3, The Royal Society of London for Improving Natural Knowledge, page 41:]
Nouns inflected like quadratic
soldier's woundwort,
Nicosian,
whopper,
greypate,
tactile sign language,
chronotrope,
Rosie Lee,
dissentient,
photoinactivator,
sulphonediimine,
coastal waterfall,
residuary devise,
bituminization,
nitrosonaphthol,
smṛiti,
geosphere,
backscreen,
mensuralist,
flocculate,
flocculant, etc. (List truncated at 20 nouns)
Etymology
From French quadratique (1765), from Latin quadrātus + -ique (English -ic), form of quadrō (“to make square”), from quādrus (“square”), ultimately from Proto-Indo-European *kʷetwóres (“four”), whence also Latin quartus (“fourth”). See: French Nouns '
quadratique', Latin Nouns '
quadrātus', Latin Nouns '
quartus'.