Crossword-Solution: TETRADS 7 letters, 10 clues 🏆 scrabble score: 8

The pollen, or more correctly, the pollen-tetrads, remain fastened together as club-shaped pollinia usually borne on a slender pedicel.

The members of the group are all tetrads, and have eight funnels, opening on the eight faces of the octahedron.

Astronomers likewise have a common ground for discussion with musicians in the harmony of the stars and musical concords in tetrads and triads of the fourth and the fifth, and with geometricians in the subject of vision (in Greek [Greek: logos optikos]); and in all other sciences many points, perhaps all, are common so far as the discussion of them is concerned.

But why eight in the primitive Aryan was a dual, and what were the two tetrads, which, combined in _asht-au_, _oct-o_, ὀκτ-ώ, expressed the number eight, will probably never be discovered.

See Valiant.] (Chem.) Defn: The degree of combining power of an atom (or radical) as shown by the number of atoms of hydrogen (or of other monads, as chlorine, sodium, etc.) with which it will combine, or for which it can be substituted, or with which it can be compared; thus, an atom of hydrogen is a monad, and has a valence of one; the atoms of oxygen, nitrogen, and carbon are respectively dyads, triads, and tetrads, and have a valence respectively of two, three, and four.