noun, plural spirilla
[spahy-ril-uh] /spaɪˈrɪl ə/ (Show IPA). Bacteriology.
any of several spirally twisted, aerobic bacteria of the genus Spirillum, certain species of which are pathogenic for humans.
any of various similar microorganisms.
noun (pl) -la (-lə)
any bacterium having a curved or spirally twisted rodlike body Compare coccus (sense 1), bacillus (sense 1)
any bacterium of the genus Spirillum, such as S. minus, which causes ratbite fever
spirillum spi·ril·lum (spī-rĭl’əm)
n. pl. spi·ril·la (-rĭl’ə)
A member of the genus Spirillum.
Any of various other spiral-shaped microorganisms.
A genus of large, aerobic, gram-negative bacteria having an elongated spiral form and a tuft of flagella.
Any of various bacteria that are shaped like a spiral, such as the spirochete Treponema pallidum, which causes syphilis.
- Spirillum minus
Spirillum minus Spirillum mi·nus (mī’nəs) n. A bacterium that causes a rat-bite fever.
noun 1. a tall, acutely pointed pyramidal roof or rooflike construction upon a tower, roof, etc. 2. a similar construction forming the upper part of a steeple. 3. a tapering, pointed part of something; a tall, sharp-pointed summit, peak, or the like: the distant spires of the mountains. 4. the highest point or summit of […]
noun 1. the principle of conscious life; the vital principle in humans, animating the body or mediating between body and soul. 2. the incorporeal part of humans: present in spirit though absent in body. 3. the soul regarded as separating from the body at death. 4. conscious, incorporeal being, as opposed to matter: the world […]
noun 1. an archaeological site in Thailand that has produced evidence of very early plant domestication in Southeast Asia, dated c7000 b.c.