| lungfish | <zoology> Any fish belonging to the Dipnoi; so called because they have both lungs and gills. Source: Websters Dictionary (01 Mar 1998) |
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| lungie | <zoology> A guillemot. Alternative forms: longie. Source: Websters Dictionary (01 Mar 1998) |
| lungoor | <zoology> A long-tailed monkey (Semnopithecus schislaceus), from the mountainous districts of India. Origin: Hind. Langur. Source: Websters Dictionary (01 Mar 1998) |
| lungs | The lungs are a pair of breathing organs located with the chest which remove carbon dioxide from and bring oxygen to the blood. There is a right and left lung. (12 Dec 1998) |
| lungworm | <zoology> Any one of several species of parasitic nematoid worms which infest the lungs and air passages of cattle, sheep, and other animals, often proving fatal. The lungworm of cattle (Strongylus micrurus) and that of sheep (S. Filaria) are the best known. Source: Websters Dictionary (01 Mar 1998) |
| lungworms | Nematodes that inhabit the air passages of animals, chiefly in the family Metastrongylidae (or Protostrongylidae). See: Aelurostrongylus, Crenosoma vulpis, Dictyocaulus, Metastrongylus, Muellerius capillaris, Protostrongylus rufescens. (05 Mar 2000) |
| lungwort | <botany> An herb of the genus Pulmonaria (P. Officinalis), of Europe; so called because the spotted appearance of the leaves resembles that of a diseased lung. Any plant of the genus Mertensia (especially. M. Virginica and M. Sibirica) plants nearly related to Pulmonaria. The American lungwort is Mertensia Virginica, Virginia cowslip. Cow's lungwort mullein. Sea lungwort, Mertensia maritima, found on the seacoast of Northern Europe and America. Tree lungwort, a lichen (Sticta pulmonacea) growing on trees and rocks. The thallus is lacunose, and in appearance somewhat resembles the lungs, for diseases of which it was once thought a remedy. Source: Websters Dictionary (01 Mar 1998) |
| lunisolar | Resulting from the united action, or pertaining to the mutual relations, of the sun and moon. <astronomy> Lunisolar precession, that portion of the annual precession of the equinoxes which depends on the joint action of the sun and moon. Lunisolar year, a period of time, at the end of which, in the Julian calendar, the new and full moons and the eclipses recur on the same days of the week and month and year as in the previous period. It consists of 532 common years, being the least common multiple of the numbers of years in the cycle of the sun and the cycle of the moon. Origin: L. Luna moon + E. Solar: cf. F. Lunisolaire. Source: Websters Dictionary (01 Mar 1998) |
| lunistice | <astronomy> The farthest point of the moon's northing and southing, in its monthly revolution. Origin: L. Luna. Moon + sistere to cause to stand. Cf. Solstice. Source: Websters Dictionary (01 Mar 1998) |
| lunula | Origin: L, prop, a little moon. See Lunule. <anatomy> Same as Lunule. Source: Websters Dictionary (01 Mar 1998) |
| lunula of semilunar valve | The free border of a semilunar valve at each side of the nodulus valvulae semilunaris. Synonym: lunula valvulae semilunaris. (05 Mar 2000) |
| lunula valvulae semilunaris | The free border of a semilunar valve at each side of the nodulus valvulae semilunaris. Synonym: lunula valvulae semilunaris. (05 Mar 2000) |
| lunular | <botany> Having a form like that of the new moon; shaped like a crescent. Origin: Cf. F. Lunulaire. See Lunula. Source: Websters Dictionary (01 Mar 1998) |
| lunulated | <botany> Resembling a small crescent. See: Lunula. Source: Websters Dictionary (01 Mar 1998) |
| lunule | 1. <anatomy> Anything crescent-shaped; a crescent-shaped part or mark; a lunula, a lune. 2. <chemistry> A lune. See Lune. 3. <zoology> A small or narrow crescent. A special area in front of the beak of many bivalve shells. It sometimes has the shape of a double crescent, but is oftener heart-shaped. Origin: F, fr. L. Lunula, dim. Of luna moon. Source: Websters Dictionary (01 Mar 1998) |