8-Letter Words Containing: A,X,T,O,N

• a classification of organisms into groups based on similarities of structure or origin etc

• (biology) study of the general principles of scientific classification

• practice of classifying plants and animals according to their presumed natural relationships

• a skin problem marked by the development (on the eyelids and neck and back) of irregular yellow nodules; sometimes attributable to disturbances of cholesterol metabolism

• an abnormal state in which development has stopped prematurely

• an unhealthy and compulsive preoccupation with something or someone

• the activity of fastening something firmly in position

• (histology) the preservation and hardening of a tissue sample to retain as nearly as possible the same relations they had in the living body

• anger produced by some annoying irritation

• the psychological state of being irritated or annoyed

• something or someone that causes anxiety; a source of unhappiness

• the act of troubling or annoying someone

• of the color intermediate between green and orange in the color spectrum; of something resembling the color of an egg yolk

• act of demanding or levying by force or authority

• any substance that causes injury or illness or death of a living organism

• having the qualities or effects of a poison

• a substance that oxidizes another substance