| boiling point elevation | This is the phenomenon of increasing the temperature at which a liquid boils by dissolving another substance in the liquid (for example: you can raise the temperature at which water boils by adding salt to it). (09 Oct 1997) |
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| elevation | 1. The act of raising from a lower place, condition, or quality to a higher; said of material things, persons, the mind, the voice, etc.; as, the elevation of grain; elevation to a throne; elevation of mind, thoughts, or character. 2. Condition of being elevated; height; exaltation. "Degrees of elevation above us." "His style . . . Wanted a little elevation." (Sir H. Wotton) 3. That which is raised up or elevated; an elevated place or station; as, an elevation of the ground; a hill. 4. <astronomy> The distance of a celestial object above the horizon, or the arc of a vertical circle intercepted between it and the horizon; altitude; as, the elevation of the pole, or of a star. 5. The angle which the style makes with the substylar line. 6. The movement of the axis of a piece in a vertical plane; also, the angle of elevation, that is, the angle between the axis of the piece and the line o sight; distinguished from direction. 7. A geometrical projection of a building, or other object, on a plane perpendicular to the horizon; orthographic projection on a vertical plane; called by the ancients the orthography. Angle of elevation, that part of the Mass in which the priest raises the host above his head for the people to adore. Origin: L. Elevatio: cf. F. Elevation. Source: Websters Dictionary (01 Mar 1998) |
| fish elevation | The elevation of a fish above the stream bed measured at the tip of the fish's snout. See: focal point. (09 Oct 1997) |
| black heel | Traumatic haemorrhage into the stratum corneum of the heel which may persist for several weeks as centrally confluent black dots. Synonym: black heel. (05 Mar 2000) |
| grease heel | Initially, lesions of horsepox occurring in the skin of the flexor surface of the fetlock of the horse, now frequently applied to any weeping, eczematous condition of that area. Synonym: scratches. Painful heel, a condition in which bearing weight on the heel causes pain of varying severity. Synonym: calcaneodynia, calcodynia. Prominent heel, a condition marked by a tender swelling on the os calcis due to a thickening of the periosteum or fibrous tissue covering the back of the os calcis. (05 Mar 2000) |
| wire-heel | <veterinary> A disease in the feet of a horse or other beast. Source: Websters Dictionary (01 Mar 1998) |
| contracted heel | A condition of the horse in which a part of the foot, often a heel, is contracted and shrunken as a result of loss of moisture in the hoof. Synonym: contracted heel, talipes cavus. (05 Mar 2000) |
| cracked heel | Hyperkeratosis and fissure formation on the soles. Synonym: cracked heel. (05 Mar 2000) |
| crown-heel length | Length of an outstretched embryo or foetus from skull vertex to heel. See: Streeter's developmental horizon(s). (05 Mar 2000) |
| heel | 1. The hinder part of the foot; sometimes, the whole foot; in man or quadrupeds. "He [the stag] calls to mind his strength and then his speed, His winged heels and then his armed head." (Denham) 2. The hinder part of any covering for the foot, as of a shoe, sock, etc.; specif, a solid part projecting downward from the hinder part of the sole of a boot or shoe. 3. The latter or remaining part of anything; the closing or concluding part. "The heel of a hunt." . "The heel of the white loaf." . 4. Anything regarded as like a human heel in shape; a protuberance; a knob. 5. The part of a thing corresponding in position to the human heel; the lower part, or part on which a thing rests; especially: The uppermost part of the blade of a sword, next to the hilt. The part of any tool next the tang or handle; as, the heel of a scythe. 6. Management by the heel, especially the spurred heel; as, the horse understands the heel well. 7. The lower end of a timber in a frame, as a post or rafter. In the United States, specif, the obtuse angle of the lower end of a rafter set sloping. A cyma reversa; so called by workmen. Heel chain See Heel. Heel ring, a ring for fastening a scythe blade to the snath. Neck and heels, the whole body. To be at the heels of, to pursue closely; to follow hard: as, hungry want is at my heels. To be down at the heel, to be slovenly or in a poor plight. To be out at the heels, to have on stockings that are worn out; hence, to be shabby, or in a poor plight. To cool the heels. See Cool. To go heels over head, to turn over so as to bring the heels uppermost; hence, to move in a inconsiderate, or rash, manner. To have the heels of, to outrun. To lay by the heels, to fetter; to shackle; to imprison. . To show the heels, to flee; to run from. To take to the heels, to flee; to betake to flight. To throw up another's heels, to trip him. To tread upon one's heels, to follow closely. Origin: OE. Hele, heele, AS. Hela, perh. For hohila, fr. AS. Heh heel (cf. Hough); but cf. D. Hiel, OFries. Heila, HLA, Icel. Haell, Dan. Hael, Sw. Hal, and L. Calx. Cf. Inculcate. Source: Websters Dictionary (01 Mar 1998) |
| heel bone | The largest of the tarsal bones and is situated at the lower and back part of the foot forming the heel. (12 Dec 1998) |
| heel fly | See: botfly. (05 Mar 2000) |
| heel jar | The patient standing on tiptoe feels pain on suddenly bringing the heels to the ground: in the spine in Pott's disease or disk space infection, in one lumbar region in renal calculus. (05 Mar 2000) |
| heel pad | <radiology> Normal less than 21 mm, enlargement: acromegaly, obesity, steroids (12 Dec 1998) |
| heel spur syndrome | <syndrome> A condition where the plantar fascia becomes inflamed at the region of a bony spur or growth off the calcaneous bone (heel). Common symptoms include foot pain that is exacerbated by activity. (27 Sep 1997) |