thalassa

  n. 'the sea', especially exclamation of the Greek soldiers on seeing the Black Sea in the Anabasis.

   ♦ thalassaemia, n. hereditary anaemia common especially in

  Mediterranean regions.

   ♦ thalassian, n. sea turtle.

   ♦ thalassic, a. pertaining to the sea, especially to small or inland seas.

   ♦ thalassiophyte, a. seaweed.

   ♦ thalassocracy, n. supremacy at sea.

   ♦ thalassography, n. study and mapping of

  (especially coastal and smaller) seas.

   ♦ thalassometer, n. tide gauge.

   ♦ thalassophilous, a. living in or fond of the sea.

   ♦ thalassophobia, n. dread of the sea.

   ♦ thalassotherapy, n. medical treatment by sea baths, etc.