| 1 - reinforcement (46205) | 2 - basket making (15036) | 3 - mycophyta (13610) |
| 4 - burnishing (12320) | 5 - aero-engines: piston and turbine (10971) | 6 - acrostic (9030) |
| 7 - accentor (8353) | 8 - veliger (7368) | 9 - acquired characteristics, inheritance of (6516) |
| 10 - abaxial (6206) | 11 - acrania (5779) | 12 - abstinence (5156) |
| 13 - base ratio (4676) | 14 - biogenesis, principle of (4629) | 15 - protein (4453) |
| 16 - yellow rocket (4445) | 17 - abdugens nerve (4425) | 18 - diplanetism (4410) |
| 19 - thallophyta (4146) | 20 - adolescence (3988) | 21 - floral formula (3973) |
| 22 - abdomen (3766) | 23 - ductus cuvieri (3733) | 24 - pectic compounds (3621) |
| 25 - feed-back inhibition (3568) | 26 - pseudo-alleles (3505) | 27 - protochordata (3496) |
| 28 - terminalization (3471) | 29 - ball valves, noisy (3444) | 30 - aeroplane: how it has developed (3412) |
| 31 - gorse (3397) | 32 - viper's bugloss (3357) | 33 - accumulator (3326) |
| 34 - promeristem (3315) | 35 - neo-darwinism (3277) | 36 - inducible enzyme (3264) |
| 37 - pentadactyl limb (3231) | 38 - cowslip (3206) | 39 - otolith (3166) |
| 40 - germander speedwell (3150) | 41 - abattoir (3124) | 42 - quinine (3112) |
| 43 - africa (3107) | 44 - raunkiaer's life forms (3064) | 45 - mental prominence (3063) |
| 46 - acclimation, acclimatization (2942) | 47 - enteric canal (2920) | 48 - abased (2920) |
| 49 - qualitative inheritance (2912) | 50 - book binding, vellum (2884) | 51 - catarrhine (2880) |
| 52 - recessive (2757) | 53 - meadow-sweet (2755) | 54 - barometers and weather-glasses (2748) |
| 55 - acidimetry (2714) | 56 - aegean civilization (2698) | 57 - xanthophyta (2693) |
| 58 - reticulin fibres (2691) | 59 - myxomycophyta (2679) | 60 - plagiogeotropism (2640) |
| 61 - myosin (2596) | 62 - heterothallism (2593) | 63 - abyssinia (2584) |
| 64 - karyotype (2567) | 65 - gizzard and alimentary canal of birds (2538) | 66 - interphase (2535) |
| 67 - floral diagram (2516) | 68 - prochordata (2515) | 69 - book binding (2500) |
| 70 - alcohol rectification (2488) | 71 - abbey (2484) | 72 - adherence (2479) |
| 73 - plasmid (2460) | 74 - dorsiventral leaves (2454) | 75 - briquettes (2432) |
| 76 - snapdragon (2421) | 77 - archichlamydeae (2385) | 78 - alcoholometry (2379) |
| 79 - blackings, leather polishes (2366) | 80 - vernalin (2358) | 81 - acrasiales (2348) |
| 82 - ivory, artificial (2330) | 83 - aeolian deposits (2303) | 84 - privet (2291) |
| 85 - luteal tissue (2289) | 86 - leucophyte (2269) | 87 - choanata (2251) |
| 88 - xerophyte (2238) | 89 - wallace's line (2236) | 90 - denatured alcohol (2220) |
| 91 - heterometabola (2217) | 92 - spiral thickening (2199) | 93 - protease (2196) |
| 94 - basophilig (2195) | 95 - ivy-leaved toadflax (2189) | 96 - zymogenous (2187) |
| 97 - basipetal (2164) | 98 - wild clematis (2164) | 99 - microbe (2161) |
| 100 - accent (2151) | 101 - phygology (2146) | 102 - pyrrophyta (2130) |
| 103 - abbreviations general, p (2129) | 104 - histogompatibility antigen (2124) | 105 - eugenics (2110) |
| 106 - fox's brush (2109) | 107 - camera lucida (2108) | 108 - demography (2083) |
| 109 - renal portal system (2082) | 110 - book binding, head-banding (2078) | 111 - oxytocin (2063) |
| 112 - involucre (2055) | 113 - feulgen method (2048) | 114 - afganistan (2017) |
| 115 - miocene (2016) | 116 - alleles (2014) | 117 - kinetoplast, kinetosome (2011) |
| 118 - foetus (1985) | 119 - acquittal (1983) | 120 - aerobatics (1977) |
| 121 - primprint (1974) | 122 - megaphyll (1970) | 123 - acroceraunia (1966) |
| 124 - proteinase (1957) | 125 - vegetative reproduction (1948) | 126 - aero club, royal (1948) |
| 127 - bamboo work (1946) | 128 - baleen (1945) | 129 - velamen (1945) |
| 130 - distance receptor (1944) | 131 - annular thickening (1941) | 132 - basement membrane (1939) |
| 133 - abba (1927) | 134 - qo2 (1925) | 135 - yellow rattle (1925) |
| 136 - aerial (1923) | 137 - acquittance (1921) | 138 - kidney vetch (1919) |
| 139 - industrial melanism (1917) | 140 - filicales (1915) | 141 - water vascular system (1915) |
| 142 - obdiplostemonous (1894) | 143 - abraham men (1885) | 144 - bilaterally symmetrical (1881) |
| 145 - vernation (1877) | 146 - ornithine cycle (1873) | 147 - occipital condyle (1872) |
| 148 - gilt picture frames cleansing (1856) | 149 - vellum cleansing (1843) | 150 - diffusion pressure deficit (1837) |
| 151 - zymase (1836) | 152 - phytoplankton (1833) | 153 - base pairing (1828) |
| 154 - isolating mechanism (1827) | 155 - alloys (1827) | 156 - foetal membranes (1826) |
| 157 - zygote (1825) | 158 - baking powders (1825) | 159 - xenia (1824) |
| 160 - rattle-boxes (1824) | 161 - ragged robin (1815) | 162 - acquiescence (1809) |
| 163 - alloys, pewter (1806) | 164 - book binding, backing (1805) | 165 - bleaching, seaweed (1801) |
| 166 - tapeworm (1800) | 167 - kilocalorie (1793) | 168 - urease (1784) |
| 169 - xeromorphy (1775) | 170 - book binding, sewing (1774) | 171 - recent (1766) |
| 172 - keratin (1764) | 173 - intracellular (1762) | 174 - oxidative phosphorylation (1761) |
| 175 - kinaesthetig (1759) | 176 - biochemistry (1756) | 177 - choanichthyes (1747) |
| 178 - katabolism (1747) | 179 - nastic movement (1745) | 180 - balanoglossus (1742) |
| 181 - kinetin (1732) | 182 - quantasomes (1730) | 183 - fission (1724) |
| 184 - krebs cycle (1720) | 185 - visceral arches (1719) | 186 - x-chromosome (1717) |
| 187 - kidney (1710) | 188 - lateral line system (1708) | 189 - vesicula seminalis (1707) |
| 190 - kinesis (1706) | 191 - alloys furnaces (1705) | 192 - or-molu (1705) |
| 193 - undifferentiated (1701) | 194 - barr body (1698) | 195 - queen's metal (1696) |
| 196 - basal lamina (1693) | 197 - zygospore (1690) | 198 - q10 (1685) |
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