minimal lethal dose n.
Abbr. MLD, mld The smallest quantity of a toxic substance or infectious agent that is found to be lethal.
[min-uh-muh l] /ˈmɪn ə məl/ adjective 1. constituting a : a minimal mode of transportation. 2. barely adequate or the least possible: minimal care. /ˈmɪnɪməl/ adjective 1. of the least possible; minimum or smallest adv. 1894, from minimal + -ly (2). adj. “smallest, least,” 1660s, from Latin minimus (see minim) + -al (1).
- Minimally invasive surgery
noun See keyhole surgery
adjective 1. (of medical treatments or procedures) requiring only a small incision or the insertion of an instrument into a body cavity; involving minimal damage of body tissue: minimally invasive endoscopy. adjective 1. (of surgery) involving as little incision into the body as possible, through the use of techniques such as keyhole surgery and laser […]
noun, Linguistics. 1. a pair of words, as pin and bin, or bet and bed, differing only by one sound in the same position in each word, especially when such a pair is taken as evidence for the existence of a phonemic contrast between the two sounds. noun 1. (linguistics) a pair of speech elements […]