Any rough or prickly envelope of the seeds of plants, whether a pericarp, a persistent calyx, or an involucre, as of the chestnut and burdock; a seed vessel having hooks or prickles. Also, any weed which bears burs.

A rough or prickly envelope around a seed or fruit

(fruit). A prickly or spiny husk enclosing the seed. (See also Common Fruits.)

The sweetbread.

substructure

Russian, Barak Usilennogo Rezhima, reinforced security barracks.

A small rotating instrument used in the dental hand-piece for preparing and/or removing cavities and grinding on teeth.

A rotary dental instrument, held and revolved in a handpiece. Used to remove carious material within decayed teeth to reduce decayed or fractured hard tissues, to form the design of the cavity preparation, and to finish and polish teeth and restorations. Can be made of high-speed steel, carbide or diamond coated material.

Abbreviation sometimes used for built-up roofing membranes.

An acronym for Built-Up Roof. See Built-Up Roof.

Any continuous, semiflexible roof covering made up of laminations or plies of saturated or coated felts alternated with layers of bitumen, surfaced with mineral aggregation or asphaltic materials.

A small circular saw.

A drill with a serrated head larger than the shank; -- especially a small drill bit used by dentists.

small bit used in dentistry or surgery

A clinker; a partially vitrified brick.

A triangular chisel.

Bureau Partner (NSA)

The round knob of an antler next to a deer's head.

A ring of iron on a lance or spear. See Burr, n., 4.

(boo-r) [birth?] Space, first emanation of Burl

Blow-up-ratio - As the heated polymer exits the die, it expands to it's cooled state. It is effectively blown up to it's full size, where the film cools and the size is locked in. A BUR of 2.5 to 3 is desireable. It is calculated as the bubble diameter divided by the die diameter.

The lobe of the ear. See Burr, n., 5.

The thin ridge left by a tool in cutting or shaping metal. See Burr, n., 2.

remove the burrs from

structure

Buried.