202. Heights

See also 283. MOUNTAINS .

acrophobia

an abnormal fear of being at great heights Also called altophobia, batophobia, hypsiphobia .

altimetry

the science of measuring heights, as with an altimeter. —altimetrical , adj.

altophobia

acrophobia.

batophobia

1. acrophobia.

2. an abnormal fear of passing high buildings.

cremnomania

an abnormal interest in cliffs.

cremnophobia

an abnormal fear of precipices.

hypsiphobia, hypsophobia

acrophobia.

hypsography

a branch of geography that deals with the measurement and mapping of the varying elevations of the earth’s surface above sea level. —hypsographic, hypsographical , adj.

hypsometer

an instrument for measuring altitude by the relationship between atmospheric pressure and the boiling point of a liquid.

hypsometry

the measurement of altitude and heights, especially with refer-ence to sea level. —hypsometric, hypsometrical , adj.

tachymeter

a surveying instrument for measuring distance, height, elevation, etc.

tachymetry

the measurement of distance, height, elevation, etc., with a tachymeter.