| 607 | ancestor | /ˈæn.sɛs.tɚ/ | noun |        a person from your family that lived in the past |
| 638 | anthropology | /ˌæn.θrəˈpɒl.ə.dʒi/ | noun | the study of human origins and the development of society |
| 639 | antibiotic | /ˌæn.tɪ.baɪˈɒt.ɪk/ | adj | concerning medicine that is used to fight certain diseases |
| 636 | artistic | /ɑrtɪstɪk/ | adj | having the sense or skill to create things well |
| 601 | atomic | /əˈtɒm.ɪk/ | adj | concerning atoms |
| 643 | axiom | /ˈæk.si.əm/ | noun | a statement that is accepted as true |
| 657 | bargain | /ˈbɑr.gən/ | noun | something bought for a good price |
| 667 | bat | /bæt/ | noun | a small animal that flies at night and looks like a mouse with large wings; an object used for hitting a ball |
| 681 | bracket | /ˈbræk.ɪt/ | noun | a 90 degree piece of metal used to support a wall shelf |
| 680 | bubble | /ˈbʌb.əl/ | noun | a small ball of air inside of a liquid, such as a soap bubble |
| 642 | chemistry | /kɛmɪstri/ | noun | the study of the structure of substances and the way that they react with other substances |
| 618 | circulate | /sɜkyəlˌeɪt/ | verb | to go round continuously |
| 696 | clue | /klu/ | noun | a piece of information that helps explain a situation or provide a solution to a problem |
| 626 | communist | /ˈkɒm.jə.nɪst/ | noun | a political system in which individual people do not own property or industries and people of all social classes are equal |
| 627 | continent | /ˈkɑn.tɪ.nənt/ | noun | one of the very large areas of land on Earth that are usually divided into several countries |
| 620 | contradict | /ˌkɒn.trəˈdɪkt/ | verb | to disagree, to say the opposite is true |
| 684 | contradictory | /ˌkɒn.trəˈdɪk.tə.ri/ | adj | containing information, statements, or beliefs that do not agree with one another |
| 617 | corruption | /kəˈrʌp.ʃən/ | noun | actions that are illegal or morally questionable, often performed by a person in a position of power |
| 683 | cure | /kjʊɹ/,/kjɝ/ | noun | a medicine or treatment that makes an ill person become healthy |
| 695 | cyclic | /ˈsɪk.lɪk/ | adj | a series of regular and repeated actions |
| 663 | diary | /ˈdaɪ.ə.ɹi/ | noun | a book in which one writes what one has thought or done each day |
| 689 | dictate | /ˈdɪk.teɪt/ | verb | to speak while another person (or computer) writes the words down |
| 654 | dissolve | /dɪˈzɑlv/ | verb | to melt into a liquid so that a substance mixes with the liquid itself |
| 687 | elastic | /ɪˈlæs.tɪk/ | adj | able to return to original shape or size after stretching |
| 682 | elasticity | /ɪ.læˈstɪs.ɪ.ti/ | noun | the ability to stretch easily and then quickly return to the original shape |
| 615 | elimination | /ɪlɪmɪˈneɪʃən/ | noun | the act or process of removing or being removed |
| 693 | enforcement | /ɛnˈfɔrs.mənt/ | noun | the act or process of making sure that rules are followed |
| 649 | epidemic | /ˌɛp.ɪˈdɛm.ɪk/ | adj | a disease affecting many people |
| 653 | epidemiology | /ˌɛp.ɪˌdi.miˈɒl.ə.dʒi/ | noun | the science of how diseases spread |
| 616 | exit | /ˈɛk.sɪt/ | noun | a door that you go through to leave a place |
| 637 | faculty | /fækəlti/ | noun | the teachers in a school or college |
| 655 | fatigue | /fətig/ | noun | being very tired |
| 669 | fever | /ˈfivɚ/ | noun | a high body temperature |
| 645 | fracture | /ˈfræk.tʃər/ | noun | the result of breaking a hard material; a crack |
| 697 | friction | /ˈfɹɪkʃən̩/ | noun | the act of sliding two objects against each other |
| 676 | fundamentally | /ˌfʌn.dəˈmɛn.tl.i/ | adv | in a basic and important way |
| 608 | genetics | /dʒɛˈnɛ.tɪks/ | noun | the scientific study of genes, how a living things develop between generations |
| 647 | goods | /gʊdz/ | noun | personal possessions; things you can buy |
| 611 | gravity | /ˈgræv.ɪ.ti/ | noun | the force that makes things fall down towards the ground |
| 624 | gross | /ɡɹoʊs/ | adj | total amount; extreme or unreasonable |
| 678 | hepatitis | /ˌhɛp.əˈtaɪ.tɪs/ | noun | a disease of the liver that causes inflammation, yellow skin and a fever |
| 666 | illusion | /ɪˈl(j)uːʒən/ | noun | an image that seems real, but is not real |
| 691 | incline | /ɪnˈklaɪn/ | noun | a slope or surface that rises uphill |
| 659 | individually | /ˌɪndɪvɪdʒuəli/ | adv | in an individual manner; separately |
| 658 | infectious | /ɪnˈfɛk.ʃəs/ | adj | capable of causing infection, by the spreading of a bacteria or virus to others |
| 674 | infinity | /ɪnˈfɪnɪti/ | noun | with out end; limitless |
| 621 | interfere | /ˌɪntɜfɪr/ | verb | to get involved in the business of others without invitation |
| 650 | inversion | /ɪnˈvɜr.ʃən/ | noun | a change in position of things so they become the opposite |
| 651 | irrelevant | /ˌɪrɛləvənt/ | adj | not important, not related to the topic |
| 662 | irrigation | /ˌɪr.ɪˈgeɪ.ʃən/ | noun | supplying lands with water using pipes or other artificial methods |
| 671 | kidney | /ˈkɪd.ni/ | noun | an organ in the body that cleans the blood |
| 692 | leisure | /lɛʒɜ/ | noun | time when you have no work to do and can do as you want |
| 630 | limb | /lɪm/ | noun | leg, arm or wing |
| 688 | machinery | /məˈʃi.nə.ri/ | noun | machines in general |
| 652 | mechanic | /məˈkæn.ɪk/ | noun | a person who looks after machinery |
| 673 | migrate | /maɪ.ˈɡɹeɪt/ | verb | to move from place to another to live or work |
| 699 | noble | /ˈnoʊbəl/ | adj | having personal qualities that people admire |
| 656 | nonetheless | /ˌnʌnðəˈlɛs/ | adv | in spite of that, nevertheless |
| 619 | obscure | /əbˈskjʊər/ | adj | not famous, unknown by most people; not easy to understand |
| 625 | optical | /ˈɒp.tɪ.kəl/ | adj | concerning vision or helping people see |
| 668 | optimum | /ˈɒp.tə.məm/ | adj | the best or most desirable |
| 670 | paradox | /ˈpæɹ.əˌdɒks/ | noun | a saying that seems contrary to popular belief, but which may be true |
| 698 | parenthesis | /pəˈrɛn.θə.sɪs/ | noun | one of two symbols ( and ), used in writing for separating a word, phrase, or number from a sentence |
| 644 | pest | /pɛst/ | noun | an unwanted insect or small animal that eats plants or food supplies |
| 610 | phosphate | /ˈfɒs.feɪt/ | noun | a salt or compound used to help grown plants |
| 628 | physics | /fɪzɪks/ | noun | the study of heat, light, and other forms of energy and how they affect objects |
| 612 | pole | /poʊl/ | noun | a long, narrow piece of metal or wood, that is used to hold or support something |
| 640 | portray | /pɔɹˈtɹeɪ/ | verb | to represent something or someone in a particular way, often for artistic purposes |
| 700 | potassium | /pəˈtæs.i.əm/ | noun | a common, soft, silvery white metal that is usually used for farming or industrial purposes |
| 672 | predator | /ˈpɹɛd.ə.tɚ/ | noun | an animal that feeds itself by killing and eating other animals |
| 632 | presume | /prɪˈzum/ | verb | to think that something is probably true |
| 694 | prey | /pɹeɪ/ | noun | an animal that is killed and eaten by another animal |
| 605 | profound | /prə.faʊnd/ | adj | showing a lot of deep knowledge or thought |
| 609 | proton | /ˈproʊ.tɒn/ | noun | a very small part of an atom that has a positive electrical charge |
| 660 | psychologist | /ˌsaɪˈkɑl.ə.dʒɪst/ | noun | an expert who studies the mind and behavior |
| 613 | puzzle | /pʌzəl/ | noun | a problem that requires thought and skill to be solved |
| 633 | rationality | /ˌræʃ.əˈnæl.ɪ.ti/ | noun | being able to think clearly |
| 665 | rehabilitation | /ˌriːəˌbɪlɪˈteɪʃən/ | noun | a scheme to help someone who has been ill or in prison to return to a healthy, independent, and useful life |
| 614 | respiratory | /ˈrɛs.pər.əˌtɔr.i/ | adj | to do with breathing |
| 631 | retrieve | /rɪtriv/ | verb | to find and get something from somewhere |
| 685 | sensation | /sɛnˈseɪʃən/ | noun | a feeling that is experienced by the body, usually through the sense of touch |
| 641 | sexuality | /sɛkʃuˈælɪti/ | noun | characterized and distinguished by sex |
| 675 | shallow | /ˈʃæl.oʊ/ | adj | not deep; a small distance between the lowest and highest point |
| 648 | shortly | /ˈʃɔrt.li/ | adv | quickly; soon |
| 635 | slavery | /ˈsleɪ.və.ri/ | noun | the state of being a slave |
| 604 | stabilize | /ˈsteɪ.bəˌlaɪz/ | verb | to make something stable or consistent, with no major changes |
| 603 | stance | /stæns/ | noun | a position or opinion that is stated to the public |
| 634 | stereotype | /ˈstɛ.ɹi.əˌtaɪp/ | noun | an idea or belief about what someone or something is like, often unfair or untrue |
| 686 | sustainable | /səˈsteɪnəbəl/ | adj | capable of continuing for a long time at the same level; does not damage the environment |
| 677 | synthetic | /sɪnˈθɛt.ɪk/ | adj | not natural; made from artificial materials |
| 679 | ton | /tʌn/ | noun | a unit of weight equal to 907 kilograms |
| 661 | trans | /trænz/ | prefix | a prefix meaning 'across', 'through' or 'changing thoroughly' |
| 646 | transplant | /tɹænzˈplænt/ | noun | a medical operation in which a new organ is placed inside a patient's body |
| 622 | trauma | /ˈtraʊ.mə/ | noun | a very severe or upsetting experience |
| 664 | treaty | /ˈtɹiti/ | noun | an agreement between nations |
| 602 | trivial | /ˈtrɪv.i.əl/ | adj | unimportant |
| 623 | upward | /ˈʌp.wərd/ | adv | moving toward a higher point or position |
| 629 | viable | /ˈvaɪ.ə.bəl/ | adj | able to be done; possible |
| 690 | vitamin | /vaɪtəmən/ | noun | a substance that is healthy for your body and can be found in foods or taken as a medicine |
| 606 | whereby | /wɛərˈbaɪ/ | adv | by which; by that thing |