14-letter words containing c, o, d, a
- wind indicator — a large weather vane used at airports to indicate wind direction.
- window cleaner — someone that cleans windows for a living
- windsor castle — a castle in the town of Windsor in Berkshire, residence of English monarchs since its founding by William the Conqueror
- wing commander — British. an officer in the Royal Air Force equivalent in rank to a lieutenant colonel in the U.S. Air Force.
- world champion — someone who has won a competition open to people throughout the whole world
- wyandotte cave — a cave in S Indiana: one of the most extensive in the U.S., with 23 miles (37 km) of passages.
- xenodiagnostic — of or relating to xenodiagnosis
- yoda condition — (programming) The programming practise of using if (constant == variable) e.g. if (4 == foo) instead of the more natural if (variable == constant) It is named after the Star Wars character Yoda who says things like "Strong is Vader". It may have been invented as a way to prevent coding errors like if (count = 5) (accidentally using a single "=" (assignment) instead of a double "==" (comparison)). The above is syntactically valid whereas the Yoda equivalent would give a compile-time error.
- zodiacal light — a luminous tract in the sky, seen in the west after sunset or in the east before sunrise and thought to be the light reflected from a cloud of meteoric matter revolving round the sun.
- zona pellucida — the transparent, noncellular layer surrounding the ovum of mammals, often having radial striations.