Answer:

hade

Answer	Crossword Clue
HADE	Deviate from vertical: Geol.
HADE	Geological angle.
HADE	Angle of a rock fault

HADE	Rock-fault angle
HADE	Rock-vein angle
HADE	Geologic angle
HADE	Angle, in geology
HADE	Incline, as a mine vein

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.