fourfold
adverb
No English definition recorded for this entry.
L190924 on Wikidata ↗adjective
No English definition recorded for this entry.
L336932 on Wikidata ↗Wiktionary
Pronunciation: /ˈfɔːfəʊld/ / /ˈfɔɹ.foʊld/
adj
Etymology: From Middle English fourfold, fourefold, from Old English fēowerfeald. Equivalent to four + -fold. Cognate with Dutch viervoud, Gothic 𐍆𐌹𐌳𐌿𐍂𐍆𐌰𐌻𐌸𐍃 (fidurfalþs).
- Four times as great; quadruple.
- Comprised of four individual members.
“Most pupils have a fourfold object in studying a language; they wish to be able to read and write, to speak and to understand it.”
adv
Etymology: From Middle English fourfold, fourefold, from Old English fēowerfeald. Equivalent to four + -fold. Cognate with Dutch viervoud, Gothic 𐍆𐌹𐌳𐌿𐍂𐍆𐌰𐌻𐌸𐍃 (fidurfalþs).
- By a factor of four.
“And he shall restore the Lambe fourefold, because he did this thing, and because he had no pittie.”
noun
Etymology: From Middle English fourfold, fourefold, from Old English fēowerfeald. Equivalent to four + -fold. Cognate with Dutch viervoud, Gothic 𐍆𐌹𐌳𐌿𐍂𐍆𐌰𐌻𐌸𐍃 (fidurfalþs).
- An algebraic variety of degree 4.
“Our main application is to the classification of Poisson brackets on Fano fourfolds.”
verb
Etymology: From Middle English fourfold, fourefold, from Old English fēowerfeald. Equivalent to four + -fold. Cognate with Dutch viervoud, Gothic 𐍆𐌹𐌳𐌿𐍂𐍆𐌰𐌻𐌸𐍃 (fidurfalþs).
- To increase to four times as much; to multiply by four.