| ARCHAEBACTERIA | • archaebacteria n. Plural of archaebacterium. • Archaebacteria prop.n. (Obsolete) A taxonomic subkingdom within the kingdom Bacteria. • Archaebacteria prop.n. Archaea, a domain comprising organisms formerly called archaebacteria. |
| ARCHAEOLOGICAL | • archaeological adj. Relating to the science or research of archaeology. • archæological adj. Archaic form of archaeological. • ARCHAEOLOGICAL adj. relating to archaeology. |
| ARCHAEOLOGISTS | • archaeologists n. Plural of archaeologist. • archæologists n. Plural of archæologist. • ARCHAEOLOGIST n. a practitioner of archaeology. |
| ARCHAEOMETRIES | • ARCHAEOMETRY n. the use of scientific methods in archaeology, also ARCHEOMETRY. |
| ARCHAEOMETRIST | • archaeometrist n. A scientist whose speciality in archaeometry. • ARCHAEOMETRIST n. one who practises archaeometry. |
| ARCHAEOZOOLOGY | • archaeozoology n. (Archaeology) The study of relationships between humans and animals over time. • ARCHAEOZOOLOGY n. the study of zoological remains in archaeology, also ARCHAEZOOLOGY, ARCHEOZOOLOGY. |
| ARCHBISHOPRICS | • archbishoprics n. Plural of archbishopric. • ARCHBISHOPRIC n. the see or province over which an archbishop exercises authority. |
| ARCHDEACONRIES | • archdeaconries n. Plural of archdeaconry. • ARCHDEACONRY n. the district or residence of an archdeacon. |
| ARCHEOBOTANIES | • ARCHEOBOTANY n. the analysis and interpretation of plant remains found at archaeological sites, also ARCHAEOBOTANY. |
| ARCHEOBOTANIST | • ARCHEOBOTANIST n. one who studies archeobotany. |
| ARCHETYPICALLY | • archetypically adv. In an archetypical fashion. • ARCHETYPICAL adv. of or like an archetype, also ARCHETYPAL. |
| ARCHGENETHLIAC | • ARCHGENETHLIAC n. (Browning) in derogatory sense, the greatest of genethliacs or astrologers. |
| ARCHIDIACONATE | • archidiaconate n. Archdeaconry. • ARCHIDIACONATE n. the office of archdeacon. |
| ARCHIEPISCOPAL | • archiepiscopal adj. Of or relating to an archbishop or an archbishopric. • ARCHIEPISCOPAL adj. pertaining to an archbishop. |
| ARCHIMANDRITES | • archimandrites n. Plural of archimandrite. • ARCHIMANDRITE n. the head of a monastery or convent. |
| ARCHITECTONICS | • architectonics n. The science pertaining to architecture. • ARCHITECTONICS n. the study of the arrangement of knowledge. |
| ARCHPRIESTHOOD | • archpriesthood n. (Ecclesiastical) The office of an archpriest. • ARCHPRIESTHOOD n. the office of archpriest. |
| ARCHPRIESTSHIP | • ARCHPRIESTSHIP n. the office of archpriest. |