ketene

/ˈkiːtiːn/ /kɪˈtiːn/

Meanings

noun

Any of a class of unsaturated ketones, having a general formula R1R2C=C=O, that react as if they were inner acid anhydrides

Examples :

"In the laboratory, the chemist carefully generated ketene to use it as a reactive building block in synthesizing a new polymer. "

noun

The parent compound of this class, CH2=C=O, an unstable, reactive colourless gas

Examples :

"Because ketene is a highly reactive gas, it's usually generated and used immediately in chemical reactions rather than stored. "

compound substance chemistry

Related Words

anhydrides noun

/ænˈhaɪdraɪdz/ /ænˈhaɪdɹɪdz/

Any compound formally derived from another (or from others) by the loss of a water molecule, especially acid anhydrides

"Many anhydrides are used in industrial processes to make polymers and other chemicals, because they readily react with water to form acids. "

compound noun

/ˈkɒmpaʊnd/ /ˈkɑmpaʊnd/ /kəmˈpaʊnd/

An enclosure within which workers, prisoners, or soldiers are confined

"The prisoners were kept in a secure compound. "

building noun

/ˈbɪl.dɪŋ/

The act or process by which something is built; construction.

"The building of the bridge will be completed in a couple of weeks."

immediately adverb

/əˈmiːdi.ətli/

In an immediate manner; instantly or without delay.

"I hope we can begin immediately."

unsaturated adjective

/ˌʌnˈsætʃəˌreɪtɪd/ /ʌnˈsætʃəˌreɪtɪd/

(of a solution) Not saturated; capable of dissolving more of a solute at the same temperature.

"The sugar water is still unsaturated; I can add more sugar and it will dissolve completely. "

laboratory noun

/ləˈbɔɹətɹi/ /ləˈbɒɹət(ə)ɹiː/ /ˈlæb(ə)ɹəˌtɔɹi/

A room, building or institution equipped for scientific research, experimentation or analysis.

"The science students conducted their experiments in the school laboratory. "

colourless adjective

/ˈkʌlə(ɹ).ləs/

Having little or no colour.

"The water from the well was surprisingly colourless, almost like air. "

generated verb

/ˈdʒɛnəˌreɪtɪd/ /ˈdʒɛnəreɪtəd/

To bring into being; give rise to.

"The discussion generated an uproar."

carefully adverb

/ˈkɛːfli/ /ˈkɛɹfli/

Sorrowfully.

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

synthesizing verb

/ˈsɪnθəsaɪzɪŋ/

To combine two or more things to produce a new product.

"The chef is synthesizing a new sauce by combining tomatoes, garlic, and herbs. "

reactions noun

/riˈækʃənz/ /riˈækʃnz/

An action or statement in response to a stimulus or other event.

"The announcement of the verdict brought a violent reaction."

reactive adjective

/riˈæktɪv/ /riˈeɪtɪv/

That reacts or responds to a stimulus

"The nervous dog was very reactive to loud noises, jumping at every sudden sound. "