Answer:

citric

Answer	Crossword Clue
CITRIC	Like ugli fruit
CITRIC	Lemon's acid
CITRIC	Kind of acid

CITRIC	Of lemons or limes
CITRIC	Acid in lemons
CITRIC	Acid in oranges
CITRIC	Like the acid in limes
CITRIC	Lemony.
CITRIC	Of certain fruits.
CITRIC	From lemons, oranges, etc.
CITRIC	Of lemons, limes, etc.

CITRIC	Lemony, say
CITRIC	Lemonlike
CITRIC	... acid
CITRIC	Lemony, for example
CITRIC	... acid (part of lemons and oranges)
CITRIC	Type of acid in fruit
CITRIC	Type of acid