- di|rec|trix
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1. Geometry. a fixed line used in determining a conic section.2. = directress. (Cf. ↑directress)
Useful english dictionary. 2012.
di|rec|trix
Look at other dictionaries:
rec|trix — «REHK trihks», noun, plural tri|ces. one of the strong feathers in the tail of a bird. The rectrices serve as a rudder in flight. ╂[< Latin rēctrīx, īcis < regere to straighten (because of their use in directing the flight)] … Useful english dictionary
rec — ad·rec·tal; ar·rec·tor; cor·rec·tant; cor·rec·tion; cor·rec·tion·al; cor·rec·ti·tude; cor·rec·tor; di·rec·tion·al; di·rec·tion·al·i·ty; di·rec·tion·al·ize; di·rec·tion·al·ly; di·rec·tion·ize; di·rec·tion·less; di·rec·tive·ly; di·rec·tive·ness;… … English syllables
rectrix — rec•trix [[t]ˈrɛk trɪks[/t]] n. pl. rec•tri•ces [[t]rɛkˈtraɪ siz, ˈrɛk trəˌsiz[/t]] orn one of the tail feathers of a bird controlling direction during flight • Etymology: 1760–70; < L rēctrīx, fem. of rēctor rector; see trix … From formal English to slang
rectrix — rec·trix … English syllables
directrix — di·rec·trix … English syllables
directrix — di•rec•trix [[t]dɪˈrɛk trɪks, daɪ [/t]] n. pl. di•rec•trix•es, di•rec•tri•ces [[t]dɪˈrɛk trɪˌsiz, daɪ , ˌdaɪ rɛkˈtraɪ siz[/t]] 1) math. a fixed line used in the description of a curve or surface 2) use archaic directress • Etymology: 1695–1705… … From formal English to slang
Rectrices — Rectrix Rec trix ( tr?ks), n.; pl. {Rectrices} ( tr? s?z). [L., fem. of rector.] 1. A governess; a rectoress. [1913 Webster] 2. (Zo[ o]l.) One of the quill feathers of the tail of a bird. [1913 Webster] … The Collaborative International Dictionary of English
Rectrix — Rec trix ( tr?ks), n.; pl. {Rectrices} ( tr? s?z). [L., fem. of rector.] 1. A governess; a rectoress. [1913 Webster] 2. (Zo[ o]l.) One of the quill feathers of the tail of a bird. [1913 Webster] … The Collaborative International Dictionary of English
a — acar·a·pis; ac·a·ri·a·sis; ac·a·ri·a·sis; ac·a·ri·na; ac·a·ri·nar·i·um; ac·a·rine; ac·a·ri·nol·o·gy; ac·a·ri·no·sis; ac·a·ro·ce·cid·i·um; ac·a·roid; ac·a·rol·o·gist; ac·a·rol·o·gy; ac·a·ro·pho·bia; ac·a·rus; acat·a·lep·sy; acat·a·lex·is;… … English syllables
Re — Re; re·able; re·absorb; re·absorption; re·accept; re·access; re·accession; re·acclimatization; re·acclimatize; re·accommodate; re·accommodation; re·accounting; re·accredit; re·accreditation; re·acetylation; re·acknowledge; re·acquaint;… … English syllables
