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sea mouse
(Encyclopedia)sea mouse, marine worm of the genus Aphrodite with a short, broad, segmented body, found in moderately deep water. The upper, or dorsal, surface of a sea mouse bears 15 pairs of raised scales; the spa...gear
(Encyclopedia)CE5 Types of gears gear, toothed wheel, cylinder, or cone that transmits motion from one part of a machine to another; it is one of the oldest means of transmitting motion. When the teeth of two g...Annelida
(Encyclopedia)CE5 A. The earthworm, Lumbricus terrestris, representative of the phylum Annelida. B. Internal anatomy of an earthworm. Annelida ənĕlˈĭdə [key] [Lat., anellus=a ring], phylum of soft-bodied, ...Macdonald, Ross
(Encyclopedia)Macdonald, Ross, pseud. of Kenneth Millar, 1915–83, American novelist, b. Los Gatos, Calif. He was educated in Canada and at the Univ. of Michigan. Macdonald's mystery novels center on the tough but...codling moth
(Encyclopedia)codling moth kŏdˈlĭng [key], small moth, Carpocapsa pomonella, whose larva is the destructive apple worm. Of European origin, it is now found wherever apples are grown. The adult moth is gray with ...computer virus
(Encyclopedia)computer virus, rogue computer program, typically a short program designed to disperse copies of itself to other computers and disrupt those computers' normal operations. A computer virus usually atta...Chaetognatha
(Encyclopedia)CE5 Anatomy of an arrow worm, Sagitta, representative of the phylum Chaetognatha Chaetognatha kētôgnăthˈə [key], phylum of predominantly pelagic marine animals commonly known as arrowworms. A...optical disk
(Encyclopedia)optical disk, any of a variety of information storage disks that are played or read using a laser. Optical disks include compact discs (CDs and CD-ROMs), laser discs (see videodisc), and digital versa...Nemertinea
(Encyclopedia)CE5 A. Ribbon worm, representative of the phylum Nemertinea B. Internal anatomy of a ribbon worm Nemertinea nĕmərtĭnˈēə [key], phylum of elongated, often flattened, marine Worms, sometimes c...shipworm
(Encyclopedia)shipworm or teredo tĕrēˈdō [key], marine bivalve mollusk of the family Teredinidae, specialized for boring in wood. A shipworm is not a worm, but a greatly elongated clam. Its two shells, enclosin...Browse by Subject
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