- Arcuated Adj. Part. Perf.
- Arcwise Adv. Adj.
- Ardennes Subst. Eigenn. Adj.
- Ardennite Subst. Adj.
- Ardent Adj. Subst.
- Arduous Adj.
- Area Subst. Adj.
- Area-wide Adj. Adv.
- Areactive Adj.
- Areal Adj.
- Areaway Subst. Adj.
- Areawide Adj. Adv.
- Arecibo Subst. Eigenn. Adj.
- Areligious Adj.
- Arena Subst. Adj.
- Arenaceous Adj.
- Arenarious Adj.
- Arenavirus Subst. Adj.
- Arendal Subst. Eigenn. Adj.
- Arene Subst. Adj.
- Arenicolous Adj.
- Arenite Subst. Adj.
- Arenose Adj.
- Areocentric Adj.
- Areographic Adj.
- Areoid Adj. Subst.
- Areolar Adj.
- Areometer Subst. Adj.
- Areometric Adj.
- Areopycnometer Subst. Adj.
- Areostyle Subst. Adj.
- Arfvedsonite Subst. Adj.
- Argali Subst. Adj.
- Argand Subst. Eigenn. Adj.
- Argent Adj. Subst.
- Argentaffin Adj. Subst.
- Argentaffine Adj. Subst.
- Argental Adj.
- Argentan Subst. Eigenn. Adj.
- Argentation Subst. Adj.
- Argentic Adj.
- Argentiferous Adj.
- Argentine Adj. Subst. Eigenn.
- Argentinian Adj. Subst.
- Argentite Subst. Adj.
- Argentometer Subst. Adj.
- Argentophilic Adj.
- Argentophilous Adj.
- Argentopyrite Subst. Adj.
- Argentous Adj.
- Argillaceous Adj.
- Argillaceous-ferruginous Adj.
- Argillic Adj.
- Argilliferous Adj.
- Argillite Subst. Adj.
- Argillization Subst. Adj.
- Argilloferruginous Adj.
- Arginase Subst. Adj.
- Arginine Subst. Adj.
- Argininosuccinate Subst. Adj.