approx.
approximately
approximate
[形]1 〈数量・時間・叙述などが〉概算の，ほぼ正確な，（基準などに）近い≪to≫the approximate number概数All figures are very approximate...
approximately
[副]だいたい，おおよそ，ざっと（◆about がふつう）
approximation
[名]1 推定，概算（額）；近似の結果［記述，描写］a first approximationまず得られた近似の結果［記述など］an approximation of the circumfer...
approximative
[形]近似的な，概算のapproximative estimates概算approximativeの派生語approximatively副
