nonhazardous

/nˌɑnhˈæzɚdəs/ adj

Not hazardous; safe.

Word Origin 'Hazard' has a fascinating origin: from Arabic 'az-zahr' meaning 'the dice', via Old French 'hasard' for a dice game. The idea of risk and chance came from gambling. So 'hazardous' means risky, and 'nonhazardous' simply adds the Latin 'non-' to mean 'not risky'. The '-ous' suffix means 'full of'. So nonhazardous is literally 'not full of risk', and the same root gives us 'hazardously' and 'hazardousness'.

adj Not hazardous; safe.

The laboratory uses only nonhazardous materials in student experiments.

(形容词) 安全的;无危险的;无害的 【无危险的;安全的】

实验室在学生实验中只使用无害材料。

(adjetivo) No peligroso; seguro.

El laboratorio utiliza solo materiales no peligrosos en los experimentos de los estudiantes.

(adjectif) Qui n'est pas dangereux ; sans risque pour la santé ou la sécurité.

Le laboratoire utilise uniquement des matières non dangereuses dans les expériences des étudiants.

(Adjektiv) ungefährlich; harmlos; sicher [Nicht gefährlich; keine Gefahr für Gesundheit, Sicherheit oder Umwelt darstellend.]

Das Labor verwendet nur **nonhazardous** Materialien für Schüler-Experimente.

(形容詞) 危険を伴わない、安全である。

その研究室では学生の実験に無害な材料のみを使用している。

(adjetivo) não perigoso; seguro; inócuo [Não perigoso; seguro.]

O laboratório utiliza apenas materiais não perigosos nos experimentos dos alunos.

Word parts: non + hazard + ous

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