Exam: TOEFL

Definition: This word describes a condition where there is no hydrochloric acid present, which is important for digestion in the stomach.

Example: The patient was diagnosed as achlorhydric, indicating a deficiency of stomach acid.

Definition: A type of meteorite that is made of stone and does not have small, round particles called chondrules.

Example: The achondrite fell to Earth, providing valuable information about the early solar system.

Definition: A genetic condition that affects the growth of bones, leading to shorter limbs and a normal-sized torso, often resulting in dwarfism.

Example: Achondroplasia is the most common form of dwarfism, affecting both physical appearance and growth.

Definition: Relating to a specific type of genetic condition that affects bone growth, leading to shorter stature and other physical characteristics.

Example: The achondroplastic condition affects bone growth, leading to dwarfism.

Definition: Having a sharp or biting quality, often used to describe a sarcastic or scornful manner. In chemistry, it refers to substances that have a high concentration of acid or possess the properties of an acid.

Example: Her acid remarks during the meeting left everyone feeling uncomfortable.

Definition: A type of substance that has a sour flavor and can produce hydrogen ions when mixed with water. These substances can also react with bases and some metals to create salts.

Example: Lemon juice is a common example of an acid due to its sour taste.

Definition: This term refers to a condition where there is an unusual level of acid in the blood, which can affect the body's normal functions.

Example: The patient was diagnosed with acidemia after the blood tests showed elevated acid levels.

Definition: Having a sour taste or a pH level less than 7, often associated with substances that can cause a chemical reaction with bases.

Example: The lemon juice is very acidic and adds a tangy flavor to the dish.

Definition: The process of making something more acidic or sour, often referring to changes in the environment or substances.

Example: The acidification of the oceans is a significant environmental concern.

Definition: A substance that makes something more acidic or increases acidity, often used in agriculture to improve soil quality.

Example: The farmer added an acidifier to the soil to enhance crop yield.

Definition: To make something more acidic or to change it so that it has a higher level of acid.

Example: The process will acidify the solution, making it more reactive.