RIGID ARCH

Scrabble® Enable2K-Verified Anagrams
	Words within the letters "a-c-d-g-h-i-i-r-r"
	-3 letters: chadri, gharri.
	-4 letters: acrid, caird, chair, chard, charr, chirr, cigar, cirri, daric, radii, rigid.
	-5 letters: acid, arch, arid, cadi, caid, card, carr, chad, char, chia, chid, crag, drag, gadi, gird, grad, grid, hair, hard, irid, ragi, raid, rich.
	Words containing the letters "a-c-d-g-h-i-i-r-r"
	+3 letters: radiographic.
	+4 letters: cardiographic.
	+5 letters: cardiographies, predischarging.
Source: compiled by the editor from various references; see credits. SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro.

Hexadecimal (or equivalents, 770AD-1900s) (references)

Leonardo da Vinci (1452-1519; backwards) (references)

Binary Code (1918-1938, probably earlier) (references)

HTML Code (1990) (references)

ISO 10646 (1991-1993) (references)

Encryption (beginner's substitution cypher): (references)

Domain	Definition
Mining	A continuous arch which is fully fixed throughout. (references)
Source: compiled by the editor from various references; see credits.

Specialty Definition: RIGID ARCH