(cytology) A temporary projection of the cytoplasm of certain cells, such as phagocytes, or of certain unicellular organisms, such as amoebas, that serves in locomotion.

(psychology) A severe mental disorder, sometimes with physical damage to the brain, marked by a deranged personality and a distorted view of reality.

The predictive or statistical study of elections. / An ancient Greek method of numerology, similar to gematria.

(biblical) A book of the Old Testament of the Bible, and of the Tanakh.

A practitioner or educator who conducts assessments to evaluate students on criteria such as intelligence, aptitude, and psychopathology. Additionally, they often consult with teachers and other school personnel to supply interventions to aid in student learning. Not to be confused with a school counselor.

Alternative form of psycho-

Psychology or psychiatry. / A psychologist; a psychiatrist.

(informal) Psychedelic. / (informal) Psychiatric.

(transitive, reflexive) To put (someone) into a required psychological frame of mind (also psych up). / (transitive) To intimidate (someone) emotionally or using psychology (also psych out).

(slang) Indicating that one's preceding statement was false and that one has successfully fooled one's interlocutor. / (dated, slang) An interjection of surprised happiness.