- BC|bottom (contour)chart
- BC|Breach of Condition
- BC|Breach of Contract
- BC|Breakdown Clause
- BC|Bristol Channel(also B/Ch)
- BC|British Columbia
- BC|British Corporation Register
- BC|British Corporation(amalgamated with Lloyd's Register of Shipping)
- BC|Brokerage Contract
- BC|bronze casting
- BC|builder's certificate
- BC|Bulk Cargo
- BC|bulk cargo(also b/c)
- BC|bulk carrier
- BC|bulk/car carrier
- BC|Bunker Clause
- BC|Buyers Credit
- bd.ft.|board foot
- BDA|booster-distribution amplifier
- BDCL|Broken and Damaged Cargo List
- BDC|binary-decade counter
- BDC|bottom dead center
- BDC,bdc,B.D.C.|bottom dead center
- BDD|Bei Daxiyang Dongji
- BDD|binary digital data
- BDD|binary digital decoder
- bdellium
- BDE|below deck equipment
- BDE|British escort ship
- Bdg.,bog.|bulding
- BDG|beacon data generation
- BDG|bridging amplifier
- BDHI|bearing distance heading indicator
- BDH|bearing,distance,heading
- BDI|bearing deviation indicator
- BDI|bilge-diagonal intercept
- BDI|both days inclusive
- BDI|both days inclusive(also b.d.i.)
- BDK|bridge deck
- bdl(s)
- Bdls|bundles
- BDL|beach discharge lighter
- BDM|binary delta modulation
- BDO|bentonite-diesel oil
- BDO|boom defence officer
- BDP|bottom dead point
- BDP|Build Down Period
- BDRY|boundary(also BDY)
- BDR|bearer depository receipts
- Bds.|boards(Timber Trade)