1.
abnormal value; anomalous reading; outlier
A measured value that falls outside the normal or expected range. Used in medicine, science, data analysis, and technical fields.
血液検査で異常値が出た。
An abnormal value came up in the blood test.
異常値が検出されたため、再検査が必要だ。
A reexamination is needed because an abnormal value was detected.
データの中に異常値がないか確認してから分析を始めてください。
Please check the data for outliers before beginning the analysis.
A compound of 異常 (abnormal) and 値 (value, reading). This word is encountered frequently in medical contexts, where blood tests and health checkups may reveal values outside the normal range, as well as in scientific and data analysis contexts.
In Japanese health checkups (健康診断), results are typically classified as 正常 (normal), 要経過観察 (requires monitoring), or 要精密検査 (requires further examination) based on whether values fall within or outside expected ranges.
COMMON COLLOCATIONS:
- 異常値が出る: for an abnormal value to appear
- 異常値を示す: to show an abnormal value
- 異常値を検出する: to detect an outlier
- 異常値を除外する: to exclude outliers
SIMILAR WORDS:
- 正常値: normal value — the opposite; a reading within the expected range
- 基準値: reference value, standard value — the benchmark against which abnormality is judged
- 外れ値: outlier — used primarily in statistics and data science