fourfold
UK /ˈfɔːfəʊld/ · US /ˈfɔɹ.foʊld/ adjective, adverb, verb, noun
Forms fourfolds fourfolding fourfolded four-fold
- adjective Four times as great; quadruple.
- adjective Comprised of four individual members.
- adverb By a factor of four.
- verb To increase to four times as much; to multiply by four.
- noun (mathematics) An algebraic variety of degree 4.
Synonyms
quadruple quadruplicate quadruply four-fold quadruplex four times
Etymology
From Middle English fourfold, fourefold, from Old English fēowerfeald. Equivalent to four + -fold. Cognate with Dutch viervoud, Gothic 𐍆𐌹𐌳𐌿𐍂𐍆𐌰𐌻𐌸𐍃 (fidurfalþs).
Webster’s 1913
- adjective Four times; quadruple; as, a fourfold division.
- noun Four times as many or as much.
- verb To make four times as much or as many, as an assessment,; to quadruple.
Etymology [AS. feówerfeold.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “fourfold”, CC BY-SA 4.0. Details