9-letter words starting with al
- altimeter — An altimeter is an instrument in an aircraft that shows the height of the aircraft above the ground.
- altimetre — (nonstandard, and, now, largely obsolete) Alternative form of altimeter.
- altimetry — the science of measuring altitudes, as with an altimeter
- altiplano — a plateau of the Andes, covering two thirds of Bolivia and extending into S Peru: contains Lake Titicaca. Height: 3000 m (10 000 ft) to 3900 m (13 000 ft)
- altissimo — (of music) very high in pitch
- altitudes — Plural form of altitude.
- alto clef — the clef that establishes middle C as being on the third line of the staff
- altricial — (of the young of some species of birds after hatching) naked, blind, and dependent on the parents for food
- altruists — Plural form of altruist.
- alum rock — a town in W central California, near San Jose.
- aluminate — a salt of the ortho or meta acid forms of aluminium hydroxide containing the ions AlO2– or AlO33–
- aluminise — To coat with a layer of aluminium.
- aluminite — a mineral, hydrous aluminum sulfate, Al 2 (SO 4)(OH) 4 ⋅7H 2 O, occurring in white, chalky masses.
- aluminium — Aluminium is a lightweight metal used, for example, for making cooking equipment and aircraft parts.
- aluminize — to cover with aluminium or aluminium paint
- aluminous — resembling aluminium
- alumroots — Plural form of alumroot.
- alveolate — having many alveoli
- always-on — remaining available at all times