any disease of the mind; the psychological state of someone who has emotional or behavioral problems serious enough to require psychiatric intervention
mutability in life or nature (especially successive alternation from one condition to another)
a variation in circumstances or fortune at different times in your life or in the development of something; "the project was subject to the usual vicissitudes of exploratory research"
a positive feeling of liking; "he had trouble expressing the affection he felt"; "the child won everyone's heart"; "the warmness of his welcome made us feel right at home"
think of, regard, or classify under a subsuming principle or with a general group or in relation to another; "This plant can be referred to a known species"
send or direct for treatment, information, or a decision; "refer a patient to a specialist"; "refer a bill to a committee"
have to do with or be relevant to; "There were lots of questions referring to her talk"; "My remark pertained to your earlier comments"
the act of rotating as if on an axis; "the rotation of the dancer kept time with the music"
a planned recurrent sequence (of crops or personnel etc.); "crop rotation makes a balanced demand on the fertility of the soil"; "the manager had only four starting pitchers in his rotation"
a single complete turn (axial or orbital); "the plane made three rotations before it crashed"; "the revolution of the earth about the sun takes one year"
(mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin
the property possessed by a line or surface that departs from the vertical; "the tower had a pronounced tilt"; "the ship developed a list to starboard"; "he walked with a heavy inclination to the right"
a slight but noticeable partiality; "the court's tilt toward conservative rulings"