B2 verb Neutre

alkaline

/ˈælkəlaɪn/

Alkaline describes a chemical substance that has a pH level greater than 7, which is the opposite of being acidic. It is often used to describe soil, water, or solutions that can neutralize acids.

Exemples

3 sur 5
1

I need to buy some alkaline batteries for the television remote.

I need to buy some alkaline batteries for the television remote.

2

The laboratory results indicated that the solution was highly alkaline.

The laboratory results indicated that the solution was highly alkaline.

3

This soap is way too alkaline and makes my skin feel really dry.

This soap is way too alkaline and makes my skin feel really dry.

Famille de mots

Nom
alkalinity
Verb
alkalize
Adverbe
alkalinely
Adjectif
alkaline
Apparenté
alkali
💡

Astuce mémo

Think of 'Alkaline' and 'Acid' as two ends of a scale. 'Alkaline' starts with 'A' and 'L', just like 'A Liquid' that is 'Low' in acid.

Quiz rapide

Farmers must test their fields because some crops will not grow if the soil is too _______.

Correct !

La bonne réponse est : alkaline

Exemples

1

I need to buy some alkaline batteries for the television remote.

everyday

I need to buy some alkaline batteries for the television remote.

2

The laboratory results indicated that the solution was highly alkaline.

formal

The laboratory results indicated that the solution was highly alkaline.

3

This soap is way too alkaline and makes my skin feel really dry.

informal

This soap is way too alkaline and makes my skin feel really dry.

4

Certain plants thrive in alkaline soil conditions where the pH is above 7.5.

academic

Certain plants thrive in alkaline soil conditions where the pH is above 7.5.

5

The company is launching a new line of bottled alkaline water next month.

business

The company is launching a new line of bottled alkaline water next month.

Famille de mots

Nom
alkalinity
Verb
alkalize
Adverbe
alkalinely
Adjectif
alkaline
Apparenté
alkali

Collocations courantes

alkaline soil alkaline soil
alkaline solution alkaline solution
alkaline battery alkaline battery
alkaline diet alkaline diet
alkaline metals alkaline metals

Phrases Courantes

alkaline earth metals

alkaline earth metals

highly alkaline

highly alkaline

alkaline reserve

alkaline reserve

Souvent confondu avec

alkaline vs alkali

Alkali is a noun referring to the substance itself, while alkaline is the adjective describing the substance.

alkaline vs basic

In chemistry, they are often synonyms, but alkaline specifically refers to a base that dissolves in water.

📝

Notes d'usage

The term is most frequently used in scientific contexts like chemistry or gardening, but it has become popular in health circles regarding diet and water.

⚠️

Erreurs courantes

Learners often use the word 'alkaline' as a noun (e.g., 'the alkaline of the water') instead of the correct noun form 'alkalinity'.

💡

Astuce mémo

Think of 'Alkaline' and 'Acid' as two ends of a scale. 'Alkaline' starts with 'A' and 'L', just like 'A Liquid' that is 'Low' in acid.

📖

Origine du mot

Derived from the Arabic word 'al-qaly', which means 'the ashes' (specifically ashes of the saltwort plant used to make soda ash).

Modèles grammaticaux

Used as an adjective before a noun. Used as a predicative adjective after linking verbs like 'is' or 'becomes'. Usually non-gradable in technical chemistry, but often used with intensifiers like 'very' in general English.
🌍

Contexte culturel

The 'alkaline diet' is a significant lifestyle trend in Western wellness culture, based on the idea that certain foods affect the body's pH balance.

Quiz rapide

Farmers must test their fields because some crops will not grow if the soil is too _______.

Correct !

La bonne réponse est : alkaline

Mots lis

pale

A1

Describes something that has very little color or is much lighter than usual. It is often used to describe a person's face when they are ill or a color that is mixed with a lot of white.

lung

A1

The lungs are two organs inside your chest that you use to breathe. They bring oxygen into your body and remove carbon dioxide when you breathe out.

tropical

A1

Relating to the hot regions of the Earth near the equator. It describes weather that is very warm and wet, or plants and animals that come from these areas.

trader

A1

A trader is a person whose job is to buy and sell goods, stocks, or other items for profit. They can work in a small local market or on large international financial exchanges.

indoor

A1

Describes something that is located, happens, or is used inside a building rather than outside. It is an adjective used before a noun to talk about activities or objects protected from the weather.

threshold

A1

A threshold is the physical area at the bottom of a doorway that you step over to enter a room or building. It also refers to the level or point at which something starts to happen or changes.

tribute

A1

A tribute is something that you say, do, or give to show your respect and admiration for someone. It is often a public act used to honor a person's life, work, or memory.

elder

A1

Used to describe a person who is older than another, especially within a family. It is also used to refer to people who have a high status or more experience because of their age.

russian

A1

Relating to Russia, its people, its language, or its culture. It describes things that come from or are connected to the largest country in the world.

southeastern

A1

Located in or coming from the direction between south and east. It describes a place, a region, or a wind that is in the corner between the bottom and the right on a map.

C'tait utile ?
Pas encore de commentaires. Soyez le premier à partager vos idées !

Commencez à apprendre les langues gratuitement

Commence Gratuitement