井戸[ido] water well
井戸屋形[idoyakata] well roof
井戸掘り[idohori] well digging
井戸綱[idozuna] well rope
井戸車[idoguruma] well pulley

井戸水[idomizu] well water
井戸側[idogawa] well curb
井戸替え[idogae] well cleaning
井戸端[idobata] side of well
井戸端会議[idobatakaigi] content-free chat

アラビア数字[arabiasuuji] Arabic numeral
サンプリング周波数[sanpuringushuuhasuu] sampling frequency
シグモイド関数[shigumoidokansuu] sigmoid function
スカッシング関数[sukasshingukansuu] squashing function
ステップ関数[suteppukansuu] step function

ブーリアン関数[buuriankansuu] Boolean function
圧倒的多数[attoutekitasuu] overwhelming numbers
異数[isuu] unusual
員数[inzuu] numbers of members (things, people)