How Do You Spell QUINOID?

Pronunciation: [kwˈɪnɔ͡ɪd] (IPA)

The word "quinoid" is spelled with a "q-u-i-n-o-i-d" sequence. In IPA phonetic transcription, the word is pronounced as /kwɪnɔɪd/. This term is usually used to describe the chemical compounds characterized by their yellow or red-brown color. As a compound term, the prefix "quin" stands for five while "-oid" is a suffix used to indicate a resemblance or similarity to another thing. Therefore, "quinoid" represents the resemblance to a compound containing a five-membered aromatic ring along with two carbonyl groups.

QUINOID Meaning and Definition

1. Quinoid is an adjective used to describe a class of compounds, typically organic compounds, that exhibit certain chemical and physical properties associated with the presence of a quinone structure. Quinones are a group of cyclic compounds consisting of a six-membered aromatic ring with two oxygen atoms in different positions on the ring.

   In the context of chemistry, a compound is considered quinoid if it contains a quinone moiety or if its structure or properties resemble those of quinones. Quinoid compounds often possess a characteristic yellow color and are typically involved in oxidation-reduction reactions due to the presence of electron-withdrawing oxygen atoms. They also tend to exhibit conjugation, which is the delocalization of pi electrons throughout a molecule, resulting in increased stability and altered optical properties.

   Quinoid compounds have been of interest in various fields, including organic synthesis, biochemistry, and materials science. They have been extensively studied for their diverse applications, such as in dyes, pigments, and pharmaceuticals. The quinoid structure is often associated with antioxidant and antibacterial activity, making these compounds valuable in drug discovery and development. Furthermore, quinoid-containing materials have been investigated for their potential use in electronic devices and energy storage systems.

   In summary, the term "quinoid" pertains to compounds that possess a quinone structure or exhibit similar properties. These compounds have served as important building blocks in the development of various chemically and biologically active substances and materials.

Common Misspellings for QUINOID

• 1uinoid
• 2uinoid
• wuinoid
• auinoid
• qyinoid
• qhinoid
• qjinoid
• qiinoid
• q8inoid
• q7inoid
• quunoid
• qujnoid
• quknoid
• quonoid
• qu9noid
• qu8noid
• quiboid
• quimoid
• quijoid
• quihoid

Etymology of QUINOID

The word "quinoid" comes from the combination of two terms, "quin-" and "-oid".

The prefix "quin-" is derived from the Latin word "quinque", meaning "five". This prefix is commonly used to designate or imply the number five or a fifth part.

The suffix "-oid" comes from the Greek word "-οειδής" ("-oeidḗs"), which means "form" or "resembling". It is frequently used to describe something that has the appearance or characteristics of something else, without being identical or genuine.

Therefore, when combined, "quinoid" refers to something that resembles or has the characteristics of five or a fifth part, depending on the context.

Plural form of QUINOID is QUINOIDS