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}}

Optics: Fraunhofer diffraction - adjustable slit | MIT Video Demonstrations in Lasers and Optics

124,072 views

MIT OpenCourseWare

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

94%
  • 4:31 / 4:48

Speech Rate:

  • 132 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Video Vocabulary

educational

/ˌejəˈkāSH(ə)n(ə)l/

adjective

Intended to teach or inform.

content

/kənˈtent/

adjective noun verb

Being happy or satisfied. state of satisfaction. satisfy.

illustrate

/ˈiləˌstrāt/

verb

To be an example that explains or proves something.

diffraction

/dəˈfrakSH(ə)n/

noun

process by which beam of light or other system of waves is spread out as result of passing through narrow aperture.

dimension

/dəˈmen(t)SH(ə)n/

noun verb

Scope, extent or size of something abstract. cut or shape to particular measurements.

donation

/dōˈnāSH(ə)n/

noun

Gift or money given to help support a cause.

continue

/kənˈtinyo͞o/

verb

persist in activity.

support

/səˈpôrt/

noun verb

Assistance or advice given to someone. bear all or part of weight of.

hundreds

/ˈhəndrəd/

noun number

subdivision of county or shire. 100s.

adjustable

/əˈjəstəb(ə)l/

adjective

able to be adjusted.

associated

/əˈsōsēˌādid/

adjective verb

connected with something else. To form a connection in your mind between things.

classic

/ˈklasik/

adjective noun

Having a simple, basic design or style. Something popular or famous for a long time.

turning

/ˈtərniNG/

noun verb

place where road branches off from another. To become (a particular age).

following

/ˈfälōiNG/

adjective noun preposition verb

Next; the one after this. body of supporters or admirers. Next; the one after this. To come after someone; be guided by someone.

resources

/ˈrēˌsôrs/

noun other verb

stock or supply of money, materials, staff, and other assets. Some things that can be used profitably; assets. provide with resources.

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