a synthetic polymer with a branching, treelike structure; a type of macromolecule in which chains radiate out from a central atom or cluster of atoms to transfer genetic material to living cells.
the least massive member of the xi particle family.
a mountain range extending from N California to W Canada: highest peak, Mt. Rainier, 14,408 feet (4322 meters). noun a chain of mountains in the US and Canada: a continuation of the Sierra Nevada range from N California through Oregon and Washington to British Columbia. Highest peak: Mount Rainier, 4392 m (14 408 ft)
- Cascade stomach
cascade stomach cascade stomach n. A stomach in which the upper posterior wall is pushed forward, creating an upper portion that fills until sufficient volume is present to spill into the antrum.
a waterfall descending over a steep, rocky surface. a series of shallow or steplike waterfalls, either natural or artificial. anything that resembles a waterfall, especially in seeming to flow or fall in abundance: a cascade of roses covering the wall. (in a drain or sewer) a chain of steps for dissipating the momentum of falling […]