1. Dark greyish extrusive rock

Type of: igneous rock

• adjectively
• adjoin
• adjoining room
• adjoint
• adjourn
• adjournment
• adjudge
• adjudicate
• adjudication
• adjudicative
• adjudicator
• adjudicatory
• adjunct
• adjunction
• adjunctive
• adjuration
• adjuratory
• adjure
• adjust
• adjustable
• adjustable spanner
• adjustable wrench
• adjusted
• adjuster
• adjusting entry