What does KHB stand for?

Kennedy Houseboats Inc., Miller, SD - Manufacturer code for watercraft hull identification number (USCG)

Keyhole Bypass - Medicine (EDAA)

Khabarovsk - Former USSR - Geomagnetic observatory code

King's Hard Bargain - British military slang for undesirable sailor or soldier

Korea Housing Bank (IMH)

Krebs-Henseleit Bicarbonate - A buffer - Analytical biochemistry

Krebs-Henseleit Buffer - Medicine (EDAA)

KSC - Kennedy Space Center Handbook - NASA (KSC)

Kurzgefasstes Exegetisches Handbuch zum Alten Testament - Leipzig - A publication (BJA)

Lu - Language code (ETLW)