13-letter words containing c, h, l, o, a
- unscholarlike — not befitting a scholar; ungentlemanly
- untheological — not theological; not of or pertaining to the nature of theology
- untheoretical — not theoretical; not belonging or pertaining to the realm of theory; not confined to the theoretical realm; (somewhat) concrete
- velocity head — the velocity of a fluid expressed in terms of the head or static pressure required to produce that velocity. It equals ρν/2 where ρ is the density of the fluid and ν is the velocity. In hydrology the density of water can be written 1/G where G is the gravitational constant
- vinyl alcohol — an unstable liquid compound, C 2 H 4 O, found only in the form of its esters or as the polymer polyvinyl alcohol.
- watch oneself — to be careful, cautious, or discreet
- water hemlock — any of several poisonous plants belonging to the genus Cicuta, of the parsley family, as C. virosa of Europe, and C. maculata of North America, growing in swamps and marshy places.
- well-anchored — any of various devices dropped by a chain, cable, or rope to the bottom of a body of water for preventing or restricting the motion of a vessel or other floating object, typically having broad, hooklike arms that bury themselves in the bottom to provide a firm hold.
- wholistically — Alternative form of holistically.
- withlacoochee — a river in central Florida, flowingN and W to the Gulf of Mexico. 160 miles (257 km) long.
- wool merchant — a dealer in wool
- xerophthalmic — Of or pertaining to xerophthalmia.
- xylographical — Xylographic.
- zone-leaching — A horizon.
- zymotechnical — relating to the technology of fermentation