a hypothetical agent or device of arbitrarily small mass that is considered to admit or block selectively the passage of individual molecules from one compartment to another according to their speed, constituting a violation of the second law of thermodynamics.
noun, Astronomy. 1. a compact mountain range on Ishtar Terra, one of the regions of highest elevation on Venus.
- Maxwell roach
[rohch] /roʊtʃ/ noun 1. Maxwell (“Max”) 1924–2007, U.S. jazz drummer and bandleader. /rəʊtʃ/ noun (pl) roaches, roach 1. a European freshwater cyprinid food fish, Rutilus rutilus, having a deep compressed body and reddish ventral and tail fins 2. any of various similar fishes /rəʊtʃ/ noun 1. short for cockroach 2. (slang) the butt of a […]
Maximum Access to Diagnosis and Therapy (The Electronic Library of Medicine)
[mey] /meɪ/ auxiliary verb, present singular 1st person may, 2nd may or (Archaic) mayest or mayst, 3rd may; present plural may; past might. 1. (used to express possibility): It may rain. 2. (used to express opportunity or permission): You may enter. 3. (used to express contingency, especially in clauses indicating condition, concession, purpose, result, etc.): […]