Defn: That point of a planet's or comet's orbit which is most distant from the sun, the opposite point being the perihelion.
APHELIOTROPIC
A*phe`li*o*trop"ic, a. Etym: [Gr.
Defn: Turning away from the sun; — said of leaves, etc. Darwin.
APHELIOTROPISM
A*phe`li*ot"ro*pism, n.
Defn: The habit of bending from the sunlight; — said of certain plants.
APHEMIA
A*phe"mi*a, n. Etym: [NL., fr. Gr. (Med.)
Defn: Loss of the power of speaking, while retaining the power of writing; — a disorder of cerebral origin.
APHERESIS
A*pher"e*sis, n. Etym: [L. aphaeresis, Gr.
1. (Gram.)
Defn: The dropping of a letter or syllable from the beginning of a word; e. g., cute for acute.