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Related to medium artillery: Heavy artillery
medium artillery[′mē·dē·əm är′til·ə·rē]
Artillery which includes guns of caliber greater than 105 millimeters but less than 155 millimeters, and howitzers of caliber greater than 105 millimeters but not greater than 155 millimeters.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.