御三時[osanji] three-o'clock snack
三鞭酒[shanpen] champagne
球面三角法[kyuumensankakuhou] spherical trigonometry
胸三寸[munesanzun] heart
元三[ganzan] New Year's period (January 1st to 3rd)

五十三次[gojuusantsugi] the 53 Toukaidou stages
向こう三軒[mukousangen] one's next three neighbors
降三世明王[gouzanzemyouou] Trailokyavijaya Vidya-raja
再三[saisan] again and again
再三再四[saisansaishi] repeatedly

クローン技術[kuroongijutsu] cloning technology
医学技術士[igakugijutsushi] medical technician
演技[engi] acting
科学技術[kagakugijutsu] science and technology
科学技術庁[kagakugijutsuchou] Science and Technology Agency

科学技術庁長官[kagakugijutsuchouchoukan] Director General of Science and Technology Agency
関節技[kansetsuwaza] locking technique in judo
技巧[gikou] technique
技師[gishi] engineer