(figuratively, collective) three things that are considered most important or essential in life

a seed / a pit or stone in a fruit / a gamete (reproductive cell such as a spermatozoan or egg) / a lineage, bloodline / an origin, cause / the materials or ingredients from which something is made

price / generation of a family / reign of a royal / decade / era

伝授: giving instruction

仁義: humanity and justice, duty, moral code / 神器: sacred treasure; the three sacred treasures (sword, jewel, mirror) / 神祇: gods of heaven and earth

Short for デジタルカメラ (dejitaru kamera, “digital camera”).

原子時計: atomic clock (not to be confused with radio clock)

算木: counting rod

計算高い: calculating

計算: calculation / 経産: parity / ケイ酸, 珪酸: silicic acid / 卦算: paperweight