Answer: HOLO

AnswerCrossword Clue
HOLOWhole: Prefix.
HOLOPrefix with -gram
HOLO3-D, in combinations
HOLOComplete, in combinations
HOLOPrefix with gram or caust
HOLOCompletely: Comb. form
HOLOComplete: Comb. form
HOLOTotal: Comb. form
HOLOWhole: Comb. form
HOLOPrefix with graph or gram
HOLOEntire: Comb. form
HOLOPrefix for caust
HOLOEntire: Prefix
HOLOGram or graph starter
HOLOEntire: Prefix.
HOLOEntire: Comb. form.
HOLOWhole: Comb. form.
HOLOGram starter
HOLOPrefix with gram
HOLOEntire: Pref.
HOLOGram opening
HOLOGraph opening
HOLOGram lead-in
HOLOGram starter?
HOLOPrefix meaning "entire"