10-letter words starting with bu
- butane gas — a colourless flammable gaseous alkane that exists in two isomeric forms, both of which occur in natural gas. The stable isomer, n-butane, is used mainly in the manufacture of rubber and fuels (such as Calor Gas). Formula: C4H10
- bute house — a house in Charlotte Square, Edinburgh: official residence of the First Minister of Scotland
- butlership — the skills of a butler
- butt heads — an extremely stupid or inept person.
- butt hinge — a hinge made of two matching leaves, one recessed into a door and the other into the jamb so that they are in contact when the door is shut
- butt joint — a joint between two plates, planks, bars, sections, etc, when the components are butted together and do not overlap or interlock. The joint may be strapped with jointing plates laid across it or welded (butt weld)
- butt plate — a plate made usually of metal and attached to the butt end of a gunstock
- butt shaft — a blunt-headed unbarbed arrow
- butt-naked — completely naked
- butt-strap — (in metal construction) a plate which overlaps and fastens two pieces butted together.
- butterball — a chubby or fat person
- butterfish — an eel-like blennioid food fish, Pholis gunnellus, occurring in North Atlantic coastal regions: family Pholidae (gunnels). It has a slippery scaleless golden brown skin with a row of black spots along the base of the long dorsal fin
- butterless — without butter
- buttermere — a lake in NW England, in Cumbria, in the Lake District, southwest of Keswick. Length: 2 km (1.25 miles)
- buttermilk — Buttermilk is the liquid that remains when fat has been removed from cream when butter is being made. You can drink buttermilk or use it in cooking.
- butterweed — a North American herbaceous plant, Senecio glabellus, with yellow flowers
- butterwort — a plant of the genus Pinguicula, esp P. vulgaris, that grows in wet places and has violet-blue spurred flowers and fleshy greasy glandular leaves on which insects are trapped and digested: family Lentibulariaceae
- button ear — a dog's ear that folds forward completely.
- button man — soldier (sense 2) soldier (sense 2b)
- button tow — a kind of ski lift for one person consisting of a pole that has a circular plate at the bottom and is attached to a moving cable. The person places the pole between his or her legs so that the plate takes his or her weight
- buttonball — a North American plane tree, Platanus occidentalis
- buttonbush — a N American shrub of the genus Cephalanthus
- buttondown — (of a shirt collar) having buttonholes so it can be buttoned to the body of the shirt.
- buttonhold — to buttonhole a person
- buttonhole — A buttonhole is a hole that you push a button through in order to fasten a shirt, coat, or other piece of clothing.
- buttonhook — a thin tapering hooked instrument formerly used for pulling buttons through the buttonholes of gloves, shoes, etc
- buttonless — having no button or buttons.
- buttonmold — a small disk of wood, metal, etc., which is covered as with cloth or leather to form a button
- buttonwood — a North American plane tree, Platanus occidentalis
- buttressed — any external prop or support built to steady a structure by opposing its outward thrusts, especially a projecting support built into or against the outside of a masonry wall.
- butylation — the introduction of butyl into a compound
- buy-to-let — of or relating to the practice of buying a property to let to tenants rather than to live in onself
- buzz about — to scurry about
- buzz along — a low, vibrating, humming sound, as of bees, machinery, or people talking.