meg·a·vi·ta·min 
(mĕgə-vī′tə-mĭn)
(mĕgə-vī′tə-mĭn)n.
A dose of a vitamin greatly exceeding the recommended daily allowance.
- discouragingly
- discourse
- discourser
- discourteous
- discourteously
- discourteousness
- discourtesy
- discover
- discoverable
- discoverer
- discovery
- discredit
- discreditable
- discreditably
- discreet
- discreetly
- discreetness
- discrepancy
- discrepant
- discrepantly
- discrete
- discretely
- discreteness
- discrete variable
- discretion