a combining form meaning “long,” used in the formation of compound words:
longicorn.
Origin
< Latin, combining form of longus long1; see -i-
Related Words
longicorn
longicaudal
longitude
longi-|ˈlɒndʒɪ|comb. form of L. longus long, in many scientific terms: longiˈcaudal, -ˈcaudateadjs.[L. cauda tail], long-tailed (Mayne Expos.Lex. 1856). longicauline|-ˈkɔːlaɪn|a.[Gr. καυλός stem], long-stemmed (Syd. Soc.Lex. 1889). longicollous|-ˈkɒləs|a.[L. collum neck], Bot. ‘applied to mosses that have urns in the form of a very elongated pear’; Ent. ‘having the neck or the corselet long’ (ibid.). ˈlongiconea.Conch.[cone], having a long cone, said of certain cephalopods; also as n.longilabrous|-ˈleɪbrəs|a.[labrum], having a long labrum, as some Hemiptera (Mayne). † longiˈlaterala.[lateral], long-sided; of the form of a long parallelogram. longiˈlinguala.Zool.[lingual], having a long tongue (Cent.Dict.). longipalp|ˈlɒndʒɪpælp|n.anda.Zool.[palp], n. one of the Longipalpi, a group of beetles having long maxillary feelers (Brande Dict.Sci., etc. 1842); adj. pertaining to the Longipalpi (Cassell 1884). So longiˈpalpate, -ˈpalpousadjs., having long palps (Syd. Soc.Lex.). longipedate|lɒnˈdʒɪpɪdət|, longipede|-piːd|adjs.[L. pēs, pedis foot], long-footed (Syd. Soc.Lex.). longipennate|-ˈpɛnət|a.Ornith.[pennate]= next (Ogilvie, Suppl. 1855). longipennine|-ˈpɛnɪn|a.Ornith.[mod.L. Longipennes; L. penna wing], long-winged; pertaining to the Longipennes or long-winged natatorial birds (Cent.Dict.). longiroster|-ˈrɒstə(r)|Ornith.[mod.L. Longirostres; L. rostrum beak], one of the Longirostres, a family of wading birds distinguished by the length and tenuity of the bill (Brande Dict.Sci., etc. 1842). longiˈrostrala.[see prec.], pertaining to or resembling the Longirostres; also longiˈrostratea., in same sense (Mayne). longisect|ˈlɒndʒɪsɛkt|v.[L. sect-, secāre to cut], to bisect lengthwise and horizontally (Cent.Dict.). longiˈsection[section], longitudinal division of the body in a plane parallel with the axis and at right angles to the meson (ibid.). longiˈtarsala.[tarsal], having a long tarsus (Syd. Soc.Lex.).1884Proc. Boston Soc.Nat.Hist. XXII. 275 Kionoceras, nobis, includes the *longicones in which the longitudinal ridges are more prominent than the transverse striae or ridges.Ibid. 276 All those longicone species.1658Sir T. Browne Gard. Cyrus i. 37 The decussis is made within a *longilateral square, with opposite angles.Ibid. ii. 44 Nineveh..was of a longilateral figure.1855Ogilvie, Suppl., *Longirostral.1890Coues Field & Gen.Ornithol. ii. 149 The longirostral [type],..best exhibited in the great snipe family.
longi-
word-forming element meaning "long," from Latin longi-, comb. form of longus (see long, adj.).
longi-/ˈlɒndʒi/combining form of Latin longuslongadjective1: see -i-.
longi- combining form Etymology: Middle English, from Latin, from longus — more at long 1.: long < longicaudal > < longipennate > < longirostrine > 2.: longitudinal < longisection >