| CEBOIDS | • ceboids n. Plural of ceboid. • CEBOID n. one of a family of monkeys, also CEBID.
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| CONOIDS | • conoids n. Plural of conoid. • CONOID n. anything like a cone in form.
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| CUBOIDS | • cuboids n. Plural of cuboid. • CUBOID n. a cube-shaped bone.
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| FUCOIDS | • fucoids n. Plural of fucoid. • FUCOID n. a seaweed of the genus Fucus, also FUCOIDAL.
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| GADOIDS | • gadoids n. Plural of gadoid. • GADOID n. a member of the cod family, also GADID.
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| GANOIDS | • ganoids n. Plural of ganoid. • GANOID n. a type of fish with shiny smooth scales, such as sturgeon and gar.
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| HALOIDS | • haloids n. Plural of haloid. • HALOID n. a compound of a halogen with a metal or radical, also HALID, HALIDE.
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| HYPOIDS | • HYPOID n. a type of bevel gear in which driving and driven shafts are at right angles but not in the same plane. | 
| KELOIDS | • keloids n. Plural of keloid. • keloids v. Third-person singular simple present indicative form of keloid.
 • KELOID n. a hard growth of scar tissue, also CHELOID.
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| LIPOIDS | • lipoids n. Plural of lipoid. • LIPOID n. any of a class of fatty substances, also LIPID, LIPIDE, LIPIN.
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| MELOIDS | • meloids n. Plural of meloid. • MELOID n. a blister beetle.
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| MUCOIDS | • mucoids n. Plural of mucoid. • MUCOID n. a substance like mucus, found in connective tissue.
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| OPIOIDS | • opioids n. Plural of opioid. • OPIOID n. a peptide that acts like opium.
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| PELOIDS | • peloids n. Plural of peloid. • PELOID n. a mud or other natural medium used as a medicinal plaster.
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| TOROIDS | • toroids n. Plural of toroid. • TOROID n. anything shaped like a doughnut or anchor-ring.
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| TOXOIDS | • toxoids n. Plural of toxoid. • TOXOID n. a toxin treated to reduce toxicity and used in immunisation.
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| VIROIDS | • viroids n. Plural of viroid. • viroids prop.n. A taxonomic name, sometimes considered an order, of a group of subviral agents that can be pathogenic…
 • VIROID n. a viruslike plant pathogen.
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| ZONOIDS | • zonoids n. Plural of zonoid. • ZONOID n. a finite vector sum of line segments.
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