kepler's law

(astronomy) one of three empirical laws of planetary motion stated by Johannes Kepler ;

kepler's law of planetary motion

(astronomy) one of three empirical laws of planetary motion stated by Johannes Kepler ;

kepler's second law

a law concerning the speed at which planets travel; a line connecting a planet to the sun will sweep out equal areas in equal times; "Kepler's second law means that a planet's orbital speed changes with its distance from the sun" ;

kepler's third law

a law stating that the ratio of the square of the revolutionary period (in years) to the cube of the orbital axis (in astronomical units) is the same for all planets ;

kept woman

an adulterous woman; a woman who has an ongoing extramarital sexual relationship with a man ;

kera

a Chadic language spoken in Chad ;

keratalgia

pain in the cornea ;

keratectasia

abnormal bulging of the cornea of the eye ;

keratin

a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair feathers nails and hooves ;

keratinisation

organic process by which keratin is deposited in cells and the cells become horny (as in nails and hair) ;

keratinization

organic process by which keratin is deposited in cells and the cells become horny (as in nails and hair) ;

keratitis

inflammation of the cornea causing watery painful eyes and blurred vision ;

keratoacanthoma

skin tumor that grows rapidly (especially in older people) and resembles a carcinoma but does not spread; it usually disappears spontaneously, often leaving a scar ;

keratocele

hernia of the cornea ;

keratoconjunctivitis

inflammation of the cornea and conjunctiva ;

keratoconus

abnormal cone-shaped protrusion of the cornea of the eye; can be treated by epikeratophakia ;

keratoderma

any skin disorder consisting of a growth that appears horny ;

keratoderma blennorrhagica

skin disease characterized by a scaly rash on the palms and soles; associated with Reiter's syndrome ;

keratodermia

any skin disorder consisting of a growth that appears horny ;

keratohyalin

hyaline in the large granules of the stratum granulosum ;

keratoiritis

inflammation of the cornea and the iris of the eye ;

keratomalacia

softening and drying and ulceration of the cornea resulting from vitamin A deficiency; symptom of cystic fibrosis or sprue ;

keratomycosis

fungal infection of the cornea ;

keratonosis

any abnormal condition of the outer skin (epidermis) ;

keratonosus

any disease of the cornea ;

keratoplasty

a surgical procedure in which part or all of a damaged or diseased cornea is replaced by healthy corneal tissue from a donor ;

keratoscleritis

inflammation of the cornea and sclera of the eye ;

keratoscope

medical instrument to examine the cornea in order to detect irregularities in its anterior surface ;

keratoscopy

examination of the cornea with a keratoscope to detect irregularities in its anterior surface ;

keratosis

a skin condition marked by an overgrowth of layers of horny skin ;

keratosis blennorrhagica

skin disease characterized by a scaly rash on the palms and soles; associated with Reiter's syndrome ;

keratosis follicularis

a rare hereditary condition marked by dark crusted patches (sometimes containing pus) ;

keratosis nigricans

a skin disease characterized by dark wartlike patches in the body folds; can be benign or malignant ;

keratosis pilaris

keratosis characterized by hard conical elevations in the openings of sebaceous glands (especially of arms and thighs) ;

keratotomy

surgical incision into the cornea ;

kerb

an edge between a sidewalk and a roadway consisting of a line of curbstones (usually forming part of a gutter) ;

kerb crawler

someone who drives slowly along the curb seeking sex from prostitutes or other women ;

kerbala

a city of central Iraq south of Baghdad; a holy city for Shiite Muslims because it is the site of the tomb of Mohammed's grandson who was killed there in 680 ;

kerbela

a city of central Iraq south of Baghdad; a holy city for Shiite Muslims because it is the site of the tomb of Mohammed's grandson who was killed there in 680 ;

kerbstone

a paving stone forming part of a curb ;