VocabDictionary

Dictionary Search

radiant flux density/ˈreɪ.di.ənt flʌks ˈden.sə.ti/nounadvanced

The power of electromagnetic radiation per unit area passing through, emitted by, or incident upon a surface, typically expressed in watts per square meter (W/m²).

Photovoltaic engineers measured the solar radiant flux density reaching the ground to determine optimal panel placement.

radical/ˈræd.ɪ.kəl/adjectiveintermediate

Far-reaching or thorough; departing significantly from the traditional or usual.

The company made radical changes to its business model to survive the digital shift.

raffle/ˈræf.əl/nounintermediate

A lottery in which the prizes are goods rather than money, typically organized to raise funds for an organization or charity.

We are holding a charity raffle to raise money for the local animal shelter.

raise concern/reɪz kənˈsɜːrn/idiomintermediate

To express or cause others to feel worry, anxiety, or apprehension about a particular situation, event, or behavior.

The sudden drop in sales figures began to raise concern among the board members.

raised/reɪzd/verbbeginner

To lift or move something to a higher position or level.

She raised her hand to ask a question.

raison d'être/ˌreɪ.zɒŋ ˈdɛt.rə/nounadvanced

The most important reason or purpose for someone or something's existence.

For the dedicated artisan, crafting handmade violins was the true raison d'être of his life.

rambling/ˈræm.blɪŋ/adjectiveintermediate

Lengthy and confused or inconsequential in speech or writing.

He gave a long, rambling speech that bored the audience to tears.

ramp/ræmp/nounbeginner

A sloping surface or roadway connecting two different levels.

The building is fully accessible to wheelchair users thanks to the new concrete ramp.

randb/ˌɑːr.ənˈbiː/nounintermediate

A genre of popular music originating in African American communities, combining elements of blues, jazz, gospel, and soul.

She grew up listening to classic randb from the 1990s.

rando/ˈræn.doʊ/nounintermediate

A completely unidentified, unknown, or strange person, especially one who appears unexpectedly.

Some total rando walked up to our table and started eating our fries.

rank and file/ˌræŋk ən ˈfaɪl/nounadvanced

The ordinary members of an organization, society, or workforce, excluding the leaders or officers.

The union leaders negotiated a contract, but it still needed to be approved by the rank and file.

rant/rænt/verbintermediate

To speak or shout at length in a wild, impassioned, or angry way.

He continued to rant about the unfairness of the new company policy for nearly an hour.

rapacious/rəˈpeɪ.ʃəs/adjectiveadvanced

Aggressively greedy or grasping; having an insatiable appetite for wealth, power, or prey.

The rapacious developers destroyed the historic park to build another luxury shopping mall.

rapid/ˈræp.ɪd/adjectivebeginner

Happening in a short time or at a great rate.

The patient made a rapid recovery after the surgery.

rapider/ˈræpɪdər/adjectiveintermediate

More rapid; characterized by greater speed, quickness, or swiftness.

The new system promised a rapider processing of applications.

Showing 4246 to 4260 of 6079 entries