Mountain bike, the closest thing to agricultural machinery in the cycling world. Ergo I call them tractors

A dated abbreviation for mountain bike.

the activity of oun ain iking. Or a mountain bike itself. "MTBing". See ATB, OHV, ORV, VTT.

miniature tall bearded, usually 16-26 inches tall.

(Miniature Tall Bearded) is from 16" to 25" tall, very refined and dainty. Also called table Iris.

Miniature Tall Bearded, sometimes called Table Iris. They grow between 41cm (16") and 70cm (27.5").

Malaysian Treasury Bills. Zero-coupon short-term securities issued by the Federal Treasury of Malaysia for working capital. Bills are sold through competitive auction, facilitated by Bank Negara Malaysia, with original maturities of 3 months, 6 months, and 1 year.

See Malaysian Treasury Bills.

Mycobacterium Tuberculosis

Materials Transportation Bureau. (formerly of DOT); now the Research and Special Programs Administration (RSPA) of DOT.

Materials Transportation Bureau. An independent office reporting to the Secretary of Transportation of the United States Government, charged with enforcing the Pipeline Safety Act. MTB, among other functions, receives reports of safety-related incidents from gas system operators and periodically issues revisions and interpretations to the Minimum Federal Safety Standard (49 CFR 192).

Motor Torpedo Boat

Maximum Therapeutic Benefit. The point in treatment where patient has ceased to progress dn is not expected to progress any further. Following 4 to 8 weeks of the patient's symptoms/ condition having reached a plateau, the patient will be considered at MTB. NOTE: Reimbursement for care beyond MTB (Supportive or Maintenance care) is dependent upon policy language and plan benefits. 18.

Modular Test-Bed