acro-, acr-

(Greek: high, highest, highest point; top, tip end, outermost; extreme; extremity of the body)

acrophonic (adjective), more acrophonic, most acrophonic
Referring to the use of symbols to represent sounds.
acrophony (s) (noun), acrophonies (pl)
1. The sound of the initial or beginning of what was originally a picture-symbol or hieroglyph of an object to represent phonetically the initial syllable or sound of the name of the object; e.g. employing the symbol of an ox, aleph, to represent the syllable or letter.
2. The naming of a letter by a word whose initial sound is the same as that which the letter represents.
acrophyte (s) (noun), acrophytes (pl)
A plant growing at a high altitude; an alpine plant.
Hyperpigmentation of the dorsal surfaces of the fingers and toes beginning in early childhood and usually increasing with age; more common in persons of dark complexion.
acroplankton (s) (noun), acroplankton (pl)
Organisms floating extremely high in the air: For his class at school, Jim read about acroplankton that are tiny lifeforms that drift in the air and are transported by the wind.
acropleustophyte (s) (noun), acropleustophytes (pl)
A large aquatic plant that floats freely at the surface of the water.
acropleustophytic (adjective), more acropleustophytic, most acropleustophytic
Swimming at the surface.
1. In birds, the upper surface of the foot.
2. Digits (fingers or toes).
acropolis, Acropolis
1. A city at the top or on a hill, such as the Acropolis of Athens, Greece, on which the Parthenon and main temples exist.
2. The fortified citadel of a city in ancient Greece usually on a high place.

The Parthenon was the chief temple of the goddess Athena built on the acropolis at Athens between 447 and 432 B.C. and considered a supreme example of Doric architecture.

Inflammation of the prepuce (foreskin).
Pustular (small circumscribed elevation of the skin, containing purulent material) eruptions of the hands and feet, often a form of psoriasis.
A pulpy berry resulting from union of ovary and calyx.
acroscleroderma (s) (noun), acrosclerodermas (pl)
A hard, thickened skin condition of the toes and the fingers.
Stiffness and tightness of the skin of the fingers, with atrophy of the soft tissue and osteoporosis of the distal phalanges of the hands and feet; a limited form of progressive systemic sclerosis occurring with Raynaud’s phenomenon.

Quiz If you would like to take a self-scoring quiz over many of the words in this unit, then click Acro- Quiz.