twofold
21twofold purchase — noun or twofold tackle : a tackle of two double blocks with the standing part of the rope fast to the block from which the hauling part comes the twofold purchase … is commonly used for hoisting boats Manual of Seamanship * * * Mach., Mech. a… …
22twofold tackle — noun see twofold purchase …
23twofold — Synonyms and related words: Janus like, ambidextrous, as much again, bifacial, bifold, biform, bilateral, binary, binate, biparous, bivalent, conduplicate, disomatous, double, double barreled, double faced, doubly, dual, dualistic, dually, duple …
24twofold — I (Roget s IV) modif. Syn. twice over, duplex, double; see two . II (Roget s Thesaurus II) adjective 1. Composed of two parts or things: biform, binary, double, dual, duple, duplex, duplicate, geminate. See PART. 2. Twice as much or as large:… …
25twofold — adv. doubly; in a double degree adj. doubled; having two parts …
26twofold — a. Double, duplicate …
27twofold — adj binary, Algebra. binomial; double, dual, dualistic, duplex, duplicate; geminate, twin, coupled; biform …
28twofold — adj. & adv. 1 twice as much or as many. 2 consisting of two parts …
29twofold purchase — Mach., Mech. a purchase using a double standing block and a double running block so as to give a mechanical advantage of four or five, neglecting friction, depending on whether the hauling is on the standing block or the running block. * * * …
30Twofold mechanism — Механизм двусгибной фальцовки …