a. [ Penta- + thionic. ] (Chem.) Pertaining to, or designating, an acid of sulphur obtained by leading hydrogen sulphide into a solution of sulphur dioxide; -- so called because it contains five atoms of sulphur. [ 1913 Webster ]
[みや, miya](n) (1) palace; (2) (See 五音) tonic (of the Japanese & Chinese pentatonic scale); (3) (abbr) (See 宮刑) ancient Chinese punishment (castration for men, or confinement for women); (n, n-suf) (4) (See 十二宮) zodiacal sign#1487[Add to Longdo]
[つの, tsuno](n, n-suf) (1) angle; (2) square (or cube); (3) bishop (shogi); (4) (See 五音) third degree (of the Japanese & Chinese pentatonic scale); (5) (See 角宿) Chinese "horn" constellation (one of the 28 mansions); (6) (See 元・げん) jiao (monetary unit of China; one-tenth of a yuan); (P)#1734[Add to Longdo]
[しょう, shou](n, n-suf) (1) { math } (See 積・1) quotient; (2) dealing; dealer; store; (3) (See 五音) second degree (of the Japanese & Chinese pentatonic scale); (4) (See 殷) Shang (dynasty of China); (P)#2968[Add to Longdo]