Definitions
disquisition: (n) 1. Diligent or systematic search; investigation; research, examination.
2. A subject or topic for investigation; a question.
3. A treatise or discourse in which a subject is investigated and discussed, or the results of investigation set forth at some length; less correctly, a learned or elaborate dissertation on a subject.
acetabulum: (n) 1. A vessel of porcelain or metal for holding vinegar at table; a cup or cup-shaped vessel.
2. A liquid measure of the capacity of this vessel, about half a gill or 2.5 fluid ounces.
3. In Animal Physiology: Applied to various cup-shaped cavities and organs: A sucker of the cuttlefish, or other cephalopod, by which it adheres to bodies; The socket of the thigh-bone; The socket or cavity of any joint in insects; A lobe or cotyledon of the placenta, in ruminating quadrupeds.
4. In Botany: The receptacle of certain fungals.
5. An obsolete name of the herb Navelwort.
gill: (n) 1. A measure for liquids, containing one fourth of a standard pint; In many districts the gill is equivalent to a half-pint, the quarter-pint being called a jack.
2. A measure used for tin.
3. A vessel holding a gill.
cirrate(d): (adj) Fringed with cirri.
cirrus: (n) 1. A curl-like tuft, fringe, or filament.
2. In Botany: A tendril
3. In Zoology: A slender or filamentary process or appendage, as the fleshy barbel or beard of some fishes, the feet of Cirripedes, the lateral processes on the arms of Brachiopoda, etc.
4. In Meteorology: A form of cloud, generally at a high elevation, presenting the appearance of diverging filaments or wisps, often resembling a curl or lock of hair or wool. Particular varieties are known as cat's or mare's tails.
circumoral: (adj) Situated around the mouth.
bolitaenid: (n) A member of the Bolitaenidae family.
integument: (n) 1. That with which anything is covered, enclosed, or clothed; a covering, investment, coating.
2. Specifically, the natural covering or investment of the body, or of some part or organ, of an animal or plant; a skin, shell, husk, rind, etc.
iridocyte: (n) In Zoology: A cell which refracts light to cause iridescence, found in the skin of fishes, cephalopods, and certain other animals.
ocellus: (n) 1. In Zoology: Any of various kinds of simple eye or light-sensitive organ found in invertebrates, typically consisting of a number of sensory cells with or without an associated lens; (also) spec. each of the three simple dorsal eyes of an insect (as distinct from a compound eye).
2. A facet or segment of a compound eye; an ommatidium.
3. A coloured spot surrounded by a ring or rings of different colour, as found on some feathers, butterflies' wings, etc.; an eyespot.
ommatidium: (n) In Zoology: Each of the conical structural elements of a compound eye of an invertebrate.
epipelagic: (adj) Sunlit - refers to the topmost biological zone of the ocean.
formalin: (n) An aqueous formaldehyde solution, stabilized with methanol, containing 37 per cent by weight of formaldehyde.
anthropophagous: (adj) Man-eating, cannibal.
teleost: (n) A fish of the order Teleostei or osseous fishes, having the skeleton (usually) completely ossified.
osseous: (adj) 1. That resembles bone in hardness or firmness.
2. Of, relating to, consisting of, or of the nature of bone; bony; ossified.
3. In Geology: Of a deposit: containing many fossil bones, ossiferous.
4. In Zoology: Of a fish: having a bony skeleton; teleostean.
2. A subject or topic for investigation; a question.
3. A treatise or discourse in which a subject is investigated and discussed, or the results of investigation set forth at some length; less correctly, a learned or elaborate dissertation on a subject.
acetabulum: (n) 1. A vessel of porcelain or metal for holding vinegar at table; a cup or cup-shaped vessel.
2. A liquid measure of the capacity of this vessel, about half a gill or 2.5 fluid ounces.
3. In Animal Physiology: Applied to various cup-shaped cavities and organs: A sucker of the cuttlefish, or other cephalopod, by which it adheres to bodies; The socket of the thigh-bone; The socket or cavity of any joint in insects; A lobe or cotyledon of the placenta, in ruminating quadrupeds.
4. In Botany: The receptacle of certain fungals.
5. An obsolete name of the herb Navelwort.
gill: (n) 1. A measure for liquids, containing one fourth of a standard pint; In many districts the gill is equivalent to a half-pint, the quarter-pint being called a jack.
2. A measure used for tin.
3. A vessel holding a gill.
cirrate(d): (adj) Fringed with cirri.
cirrus: (n) 1. A curl-like tuft, fringe, or filament.
2. In Botany: A tendril
3. In Zoology: A slender or filamentary process or appendage, as the fleshy barbel or beard of some fishes, the feet of Cirripedes, the lateral processes on the arms of Brachiopoda, etc.
4. In Meteorology: A form of cloud, generally at a high elevation, presenting the appearance of diverging filaments or wisps, often resembling a curl or lock of hair or wool. Particular varieties are known as cat's or mare's tails.
circumoral: (adj) Situated around the mouth.
bolitaenid: (n) A member of the Bolitaenidae family.
integument: (n) 1. That with which anything is covered, enclosed, or clothed; a covering, investment, coating.
2. Specifically, the natural covering or investment of the body, or of some part or organ, of an animal or plant; a skin, shell, husk, rind, etc.
iridocyte: (n) In Zoology: A cell which refracts light to cause iridescence, found in the skin of fishes, cephalopods, and certain other animals.
ocellus: (n) 1. In Zoology: Any of various kinds of simple eye or light-sensitive organ found in invertebrates, typically consisting of a number of sensory cells with or without an associated lens; (also) spec. each of the three simple dorsal eyes of an insect (as distinct from a compound eye).
2. A facet or segment of a compound eye; an ommatidium.
3. A coloured spot surrounded by a ring or rings of different colour, as found on some feathers, butterflies' wings, etc.; an eyespot.
ommatidium: (n) In Zoology: Each of the conical structural elements of a compound eye of an invertebrate.
epipelagic: (adj) Sunlit - refers to the topmost biological zone of the ocean.
formalin: (n) An aqueous formaldehyde solution, stabilized with methanol, containing 37 per cent by weight of formaldehyde.
anthropophagous: (adj) Man-eating, cannibal.
teleost: (n) A fish of the order Teleostei or osseous fishes, having the skeleton (usually) completely ossified.
osseous: (adj) 1. That resembles bone in hardness or firmness.
2. Of, relating to, consisting of, or of the nature of bone; bony; ossified.
3. In Geology: Of a deposit: containing many fossil bones, ossiferous.
4. In Zoology: Of a fish: having a bony skeleton; teleostean.