denatured

• يصف مادة، غالبًا بروتين أو كحول، غُيّرت خواصها الطبيعية بوسيلة كيميائية أو فيزيائية. ويُستعمل أيضًا مجازًا للدلالة على شيء فقد صفاته أو طبيعته الأصلية.

Describes a substance, typically a protein or alcohol, that has been altered in its natural properties through chemical or physical means.

1. Altered molecular structureC1formalscientific

   Describes a protein or nucleic acid that has lost its natural structure due to heat, chemicals, or other external factors.

   مُتَغَيِّر البِنْيَة

   • The protein became denatured when exposed to high temperatures.
   • Denatured enzymes lose their catalytic activity.
   • The scientist observed denatured DNA under the microscope.

   الأضدادnative

2. Made unfit for consumptionC1formaltechnical

   Describes a substance (especially alcohol) that has been treated with additives to make it unsuitable for drinking, typically for industrial use.

   مُغَيَّر الطبيعة

   • Denatured alcohol is used as a solvent in laboratories.
   • The factory uses denatured ethanol for cleaning equipment.
   • Denatured spirits are not subject to beverage taxes.

   المرادفاتadulteratedcontaminatedmethylatedtainted

• فعل يُستخدم لوصف عملية تغيير البنية الطبيعية أو خصائص مادة، وخاصة البروتين أو الحمض النووي، عادةً بتأثير الحرارة أو الحموضة أو المعالجة الكيميائية.

A verb used to describe the process of altering the natural structure or properties of a substance, especially a protein or nucleic acid, typically through heat, acidity, or chemical treatment.

1. Modify fissionable materialC2formalscientific

   To add nonfissionable material to fissionable material, making it unsuitable for use in an atomic bomb.

   إفساد المواد الانشطارية

   • The uranium was denatured to prevent its use in weapons.
   • They denatured the plutonium by mixing it with other elements.
   • Denaturing fissile materials is a key step in non-proliferation efforts.

   الأضدادenrich

2. Alter protein structureC1formalscientific

   To modify a native protein, typically by heat, acid, alkali, or ultraviolet radiation, so that its original properties are lost or reduced.

   تغيير بنية البروتين

   • Heating the egg white denatures the albumin protein.
   • The enzyme was denatured by the strong acid.
   • UV radiation can denature DNA in living cells.

   المرادفاتunfold

3. Make alcohol undrinkableB2formaltechnical

   To add substances to alcohol to make it unfit for drinking while retaining its usefulness for other purposes, such as cleaning or fuel.

   تغيير طبيعة الكحول

   • Industrial ethanol is denatured to avoid alcohol taxes.
   • They denatured the methanol with a bitter additive.
   • Denatured alcohol is commonly used as a solvent.