13-Letter Words Containing: O,C,H,A,E,T,A

• extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds

• The fused head and thorax of spiders and crustaceans

• the condition of having a highly technical implementation

• the act of implementing the control of equipment with advanced technology; usually involving electronic hardware

• An evolutionary trend in which the neural and sense organs become centralized at one end (the head) of an animal.

• The redistribution of blood flow from the base of the lung towards the upper lobe vessels as a consequence of pulmonary venous hypertension, usually described on a chest radiograph.

• (botany) the development of a fruit without fertilization or seeds

• an essential structural component of living cells and source of energy for animals; includes simple sugars with small molecules as well as macromolecular substances; are classified according to the number of monosaccharide groups they contain