| AMPHITHECIA | • AMPHITHECIUM n. the outer layer of cells of the embryo of mosses and liverworts that develops into the outer parts of the spore-bearing capsule. | 
| AMPHITRICHA | • AMPHITRICHA n. bacteria that have flagella at both ends. | 
| AMPHITHEATER | • amphitheater n. American spelling form of amphitheatre. • AMPHITHEATER n. an oval or circular building with rising tiers of seats ranged about an open space.
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| AMPHITHEATRE | • amphitheatre n. An open, outdoor theatre (which may be a theatre in the round, or have a stage with seating on only… • amphitheatre n. (Geology) A natural formation of a similar shape, where a steep mountain or slope a particular rock…
 • AMPHITHEATRE n. an oval or circular building with rising tiers of seats ranged about an open space.
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| AMPHITHECIUM | • AMPHITHECIUM n. the outer layer of cells of the embryo of mosses and liverworts that develops into the outer parts of the spore-bearing capsule. | 
| AMPHITROPOUS | • amphitropous adj. (Botany) Having the ovule bent so that the ends are near each other. • AMPHITROPOUS adj. of an ovule, with its point of attachment in the middle.
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| AMPHITHEATERS | • amphitheaters n. Plural of amphitheater. • AMPHITHEATER n. an oval or circular building with rising tiers of seats ranged about an open space.
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| AMPHITHEATRAL | • amphitheatral adj. Alternative form of amphitheatrical. • AMPHITHEATRAL adj. of or like an amphitheatre.
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| AMPHITHEATRES | • amphitheatres n. Plural of amphitheatre. • AMPHITHEATRE n. an oval or circular building with rising tiers of seats ranged about an open space.
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| AMPHITHEATRIC | • amphitheatric adj. Of, pertaining to, exhibited in, or resembling an amphitheatre. • AMPHITHEATRIC adj. relating to an amphitheater, also AMPHITHEATRICAL.
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| AMPHITRICHOUS | • amphitrichous adj. (Biology) (of bacteria) Having a single flagellum on each of two opposite ends. (Only one flagellum… • AMPHITRICHOUS adj. of or like amphitricha, bacteria that have flagella at both ends.
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| AMPHITHEATRICAL | • amphitheatrical adj. Having some of the characteristics of an amphitheatre. • AMPHITHEATRICAL adj. relating to an amphitheater, also AMPHITHEATRIC.
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