11 letter word starting with arch

Words Parts of Speech Meaning/Definition/Similar Words
archaeology noun The science or study of antiquities, esp. prehistoric antiquities, such as the remains of buildings or monuments of an early epoch, inscriptions, implements, and other relics, written manuscripts, etc.
archaeozoic adjective Like or belonging to the earliest forms of animal life.
archangelic adjective Of or pertaining to archangels; of the nature of, or resembling, an archangel.
archdiocese noun The diocese of an archbishop.
archduchess noun The consort of an archduke; also, a princess of the imperial family of Austria. See Archduke.
archdukedom noun An archduchy.
archebiosis noun The origination of living matter from non-living. See Abiogenesis.
archegonial adjective Relating to the archegonium.
archegonium noun The pistillidium or female organ in the higher cryptogamic plants, corresponding to the pistil in flowering plants.
archenteric adjective Relating to the archenteron; as, archenteric invagination.
archenteron noun The primitive enteron or undifferentiated digestive sac of a gastrula or other embryo. See Illust. under Invagination.
archer fish A small fish (Toxotes jaculator), of the East Indies; — so called from its ejecting drops of water from its mouth at its prey. The name is also applied to Chaetodon rostratus.
archimedean adjective Of or pertaining to Archimedes, a celebrated Greek philosopher; constructed on the principle of Archimedes’ screw; as, Archimedean drill, propeller, etc.
archipelago noun The Grecian Archipelago, or Aegean Sea, separating Greece from Asia Minor. It is studded with a vast number of small islands., Hence: Any sea or broad sheet of water interspersed with many islands or with a group of islands.
architector noun An architect.
architraved adjective Furnished with an architrave.
archmarshal noun The grand marshal of the old German empire, a dignity that to the Elector of Saxony.
archprelate noun An archbishop or other chief prelate.
archprimate noun The chief primate.
archtraitor noun A chief or transcendent traitor.