By Levels

Library

EXP: 08888
HITS: {{lyricTraining.hits}}888
STREAKS: {{lyricTraining.streaks}}888
TIME: {{lyricTraining.timeout / 1000}}88
{{word.word}}

{{cue.translated_text}}

{{lyricTraining.hint}}

x{{playblackSpeed.toFixed(2)}}

Loading ..

Not Found

{{annotation.word}} ({{annotation.pos_simplify}})

/{{annotation.phonetic}}/

{{annotation.translation}}

{{annotation.name}}

{{annotation.sub_type}}

{{annotation.definition}}
Back

Games & Quizzes

Training Mode - Typing
Fill the gaps to the Lyric - Best method
Training Mode - Picking
Pick the correct word to fill in the gap
{{game.name}}
{{game.description}} Requires {{game.required_annotions}} vocabulary annotations

Congratulations! You gained {{totalPoint}} XP

You may need to watch a part of the video to unlock quizzes

Don't forget to Sign In to save your points

Repeat Skip ({{game.question_index}}/{{game.questions.length}})
{{part}}
Repeat Skip ({{game.question_index + 1}}/{{game.questions.length}})
{{choice.text}}
{{choice.text}}

Make correct pairs from two columns

{{lyricTraining.finished && lyricTraining.timed_out ? 'Timed Out' : 'Challenge Accomplished'}}

PERFECT HITS {{lyricTraining.stats.PERFECT_HITS}} +{{lyricTraining.stats.PERFECT_HITS * 20}}
HITS {{lyricTraining.stats.HITS}} +{{lyricTraining.stats.HITS * 10}}
LONGEST STREAK {{lyricTraining.stats.LONGEST_STREAKS}} +{{lyricTraining.stats.LONGEST_STREAKS * 10}}
REMAINING TIME {{lyricTraining.timeout / 1000}}s +{{lyricTraining.timeout / 1000}}
TOTAL +{{lyricTraining.exp}}
{{word.word}} - {{dictionary.definition[0].phonetic || ("/" + dictionary.phonetics +"/")}} - {{word.translation}}

We couldn't find definitions for the word you were looking for.
Or maybe the current language is not supported

{{simpleDefinition.pos}}

{{simpleDefinition.def}}

{{word.word}}

Sentences & parts of speech:

  • {{tag.normal}} {{tag.pos_name}}

  • {{c.startTime | duration}}


    {{c.translated_text}}

All {{pos.pos_simplify}}
{{a.word || a.name}}
/{{a.phonetic}}/
{{a.type || a.sub_type}}
{{a.translation}} 		{{a.definition}}

Clemmensen Reduction

27,870 views

Professor Dave Explains

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

89%
  • 4:25 / 4:57

Speech Rate:

  • 172 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

concern

/kənˈsərn/

noun verb

Company, firm or business. To be about a particular topic.

ourselves

/ou(ə)rˈselvz/

pronoun

used as object of verb or preposition when this is same as subject of clause.

interesting

/ˈint(ə)rəstiNG/

adjective verb

Taking your attention; making you want to know. To persuade to do, become involved with something.

mercury

/ˈmərkyərē/

noun

Silver-white metal that is used in thermometers.

thinking

/ˈTHiNGkiNG/

adjective noun verb

using thought or rational judgement. process of considering or reasoning about something. To have an idea, opinion or belief about something.

protonated

/ˈprōtnˌāt/

verb

transfer proton to molecule, group, or atom.

directly

/diˈrektlē/

adverb conjunction

without changing or stopping. as soon as.

amalgamated

/əˈmalɡəˌmāt/

verb

combine or unite to form one organization or structure.

substrate

/ˈsəbˌstrāt/

noun

underlying substance or layer.

fragment
noun verb

small part broken off or separated from something. break or cause to break into fragments.

problem

/ˈpräbləm/

adjective noun

Causing trouble. unwelcome or harmful matter.

complexed
adjective verb

Difficult, not easy to understand or explain. cause to form complex.

dispute

/diˈspyo͞ot/

noun verb

Argument with someone about something. To question the truth or reality of something.

chlorine

/ˈklôrēn/

noun

Greenish-yellow gas with a strong smell.

Q
W
E
R
T
Y
U
I
O
P
A
S
D
F
G
H
J
K
L
Z
X
C
V
B
N
M