acrocyanosis
— Noun
– English
~ cyanosis of the extremities; can occur when a spasm of the blood vessels is caused by exposure to cold or by strong emotion
acrodont
— Noun
– English
~ an animal having teeth consolidated with the summit of the alveolar ridge without sockets
acrogen
— Noun
– English
~ any flowerless plant such as a fern (pteridophyte) or moss (bryophyte) in which growth occurs only at the tip of the main stem
acrolein
— Noun
– English
~ a pungent colorless unsaturated liquid aldehyde made from propene
acromegalia
— Noun
– English
~ enlargement of bones of hands and feet and face; often accompanied by headache and muscle pain and emotional disturbances; caused by overproduction of growth hormone by the anterior pituitary gland (due to a tumor)
acromegaly
— Noun
– English
~ enlargement of bones of hands and feet and face; often accompanied by headache and muscle pain and emotional disturbances; caused by overproduction of growth hormone by the anterior pituitary gland (due to a tumor)
acromicria
— Noun
– English
~ abnormally small extremities (underdeveloped fingers and toes)
acromikria
— Noun
– English
~ abnormally small extremities (underdeveloped fingers and toes)
acromion
— Noun
– English
~ the outermost point of the spine of the shoulder blade
acromphalus
— Noun
– English
~ abnormal protrusion of the navel; sometimes the start of umbilical hernia
acromyotonia
— Noun
– English
~ myotonia of the extremities only; causes spastic deformity of the hand or foot
acronym
— Noun
– English
~ a word formed from the initial letters of the several words in the name and pronounced as one word; "`NATO' is an initialism for North Atlantic Treaty Organization"; "the word `scuba' is an acronym for s(elf)-c(ontained) u(nderwater) b(reathing) a(pparatus)"
acrophobia
— Noun
– English
~ a morbid fear of great heights
acrophony
— Noun
– English
~ naming a letter of the alphabet by using a word whose initial sound is the sound represented by that letter
acropolis
— Noun
– English
~ the citadel in ancient Greek towns
acropora
— Noun
– English
~ coelenterate genus of order Madreporaria, including staghorn corals
acrosome
— Noun
– English
~ a process at the anterior end of a sperm cell that produces enzymes to facilitate penetration of the egg
acrostic
— Noun
– English
~ a puzzle where you fill a square grid with words reading the same down as across
acrostic
— Noun
– English
~ verse in which certain letters such as the first in each line form a word or message
Acrostichum
— Noun
– English
~ in some classification systems placed in family Polypodiaceae