noun, Chiefly New York City.
a smooth, pink rubber ball used in playing catch, stickball, etc.
noun 1. a chip or splinter, as of stone or ore. verb (used with object) 2. to break into smaller pieces, as ore; split or chip. verb (used without object) 3. to break or split off in chips or bits. noun 1. a splinter or chip of ore, rock, or stone verb 2. to split […]
noun 1. Lazzaro [lahd-dzah-raw] /ˈlɑd dzɑ rɔ/ (Show IPA), 1729–99, Italian biologist. noun 1. Lazzaro. 1729–99, Italian physiologist, noted esp for his experimental studies of microorganisms and his work on animal reproduction and digestion Spallanzani Spal·lan·za·ni (spāl’ən-zä’nē, späl’länt-sä’nē), Lazzaro. 1729-1799. Italian physiologist who disproved the theory that microorganisms do not generate spontaneously. He is also […]
noun, Physics. 1. a nuclear reaction in which several nucleons are released from the nucleus of an atom. noun 1. (physics) a type of nuclear reaction in which a photon or particle hits a nucleus and causes it to emit many other particles or photons spallation spal·la·tion (spô-lā’shən) n. A nuclear reaction in which nuclei […]
- Spallation product
spallation product n. Any of the subatomic particles produced from the spallation of an atom.