#diamond
- Adamantine — Pertaining to diamond, relating to diamond; having the hardness, brilliance, resistance, or structural qualities of a diamond; in dentistry and anatomy, it refers to the tooth enamel, the hardest tissue in the human body. Figuratively or mythologically, the term describes an iron will, an inflexible character, perfect moral purity, or an unyielding resistance in the face of difficulties.
- Adamant — An archaic, rare, or regional form of the noun 'diamant' (diamond), or used in ancient legends and religious texts to designate a mythological precious stone of extreme, indestructible hardness, often confused with diamond or loadstone. This structural term serves in ancient texts as a symbol for steadfastness, absolute purity, spiritual moral resilience, or unyielding harshness.
- Almas — A term borrowed from Oriental languages (from Turkish or Arabic - 'almas' / 'almás') historically or comparatively used to denote a diamond or a gemstone of exceptional hardness and brilliance; in geography, it represents a spelling variant without diacritics for 'Almaș', a river and historical region in Transylvania (Romania), rich in archaeological remains and folklore traditions.
- Allotropic — Relating to simple substances or chemical elements: presenting allotropy; capable of manifesting or crystallizing in two or more distinct external shapes or molecular and crystalline structures, possessing different physical properties, although the raw elemental chemical composition remains identical (for instance, diamond and graphite as allotropic forms of carbon).
- Antwerpen — A major port city in Belgium, the capital of the eponymous province in the Flanders region, situated on the Scheldt river; it is the second-largest port in Europe, a global economic hub, and the undisputed international capital of the diamond trade and cutting industry.
- Anvers — The French designation and traditional Romanian usage for the Flemish port city of Antwerpen in Belgium; it represents a commercial, industrial, and logistical hub of capital European importance and the historic global center of diamond trading.