Exam: Cambridge English: C1 Advanced (CAE)

Definition: In a way that relates to the changes and developments of something over time.

Example: The study of language diachronically helps us understand how it has evolved.

Definition: A term used to describe the study of how languages change over time, focusing on the historical development and evolution of language.

Example: Linguists often use diachrony to understand how words and grammar have evolved throughout history.

Definition: Able to react with two molecules of a simple acid or one of a two-acid compound to create a salt or ester.

Example: The diacid compound can be used to produce various types of polymers.

Definition: A type of acid that contains two hydrogen atoms that can be replaced by bases in a chemical reaction.

Example: Citric acid is a common diacid found in citrus fruits.

Definition: Relating to marks added to letters to change their pronunciation or meaning.

Example: The word 'café' uses a diacritic to indicate the correct pronunciation of the letter 'e'.

Definition: A symbol added to a letter to change its pronunciation or to help differentiate between words that look the same.

Example: In French, the word "café" uses a diacritic to show the correct pronunciation of the letter 'e'.

Definition: Relating to marks or signs that are used to indicate a difference in pronunciation or meaning of a word.

Example: The diacritical marks in the text helped clarify the pronunciation of the foreign words.

Definition: A symbol placed over a vowel to show that it is pronounced in a separate syllable, like in the word 'naïve'.

Example: The diaeresis in 'naïve' indicates that the 'a' and 'i' are pronounced separately.

Definition: The process of change that occurs in sediment as it turns into rock, involving chemical and physical alterations.

Example: Diagenesis plays a crucial role in the formation of sedimentary rocks.

Definition: Relating to the process by which sediment turns into rock through physical and chemical changes over time.

Example: The diagenetic changes in the sedimentary layers were evident in the rock formations.

Definition: In a way that relates to the process of diagenesis, which is the physical and chemical changes occurring in sediments after their initial deposition.

Example: The rock layers were formed diagenetically over millions of years, changing their structure and composition.

Definition: Able to be identified or determined through examination or testing.

Example: The doctor said the illness is diagnosable with the right tests.