1870 A. W. Bennett in Jrnl. Bot. Oct. 316 In synacmic plants..the period of maturity of one organ may frequently exceed in length that of the other, so as to render cross-fertilization easy.

1883 Science 1 432/2 In no small number of instances..the plant is strongly protogynous, while it is sometimes synacmic.

1870 A. W. Bennett in Jrnl. Bot. Oct. 318 Synacmy, or the contemporaneous maturing of the reproductive organs, is nearly as frequent as protandry.

1887 Harrison Allen in Science 11 Mar. 232/2 The action of both wings and feet, since both pairs act together, is what I propose to call synadelphic.

1890 J. S. Billings National Med. Dict. II Synalgia, associated or sympathetic pain.

1897 J. C. Willis Man. Flowering Plants I. 76 Sometimes the union is so complete as to include the anthers, and a synandrium is formed.

1900 B. D. Jackson Gloss. Bot. Terms Synandry, Morren's term where stamens normally separated are soldered or united.

1899 T. C. Allbutt et al. Syst. Med. VIII. 461 The elemental forms present he [sc. Auspitz] designated as anthemata and the various secondary and later groupings which go to make up the whole exanthem as synanthemata.

1901 W. A. N. Dorland Illustr. Med. Dict. (ed. 2) 661/2 Synanthema.., a local eruption consisting of a group of papules.

1936 Discovery Mar. 89/2 There can be no question of post-glacial colonisation of Iceland by other than synanthropic insects.

1971 Countryman Summer 187/1 This is probably a yellow slug, Limax flavus, a synanthropic species, which lives in and around houses, cellars and old garden walls.

1969 E. Mayr Princ. Systematic Zool. x. 202 Derived characters (synapomorphs of Hennig) shared with a more recent ancestor.

1966 D. D. Davis & R. Zangerl tr. W. Hennig Phylogenetic Systematics ii. 90 It makes no difference whether the synapomorphy consists in the fact that an apomorphous character (a′) is present identically in all species..or whether it is present in different derived conditions (a′ and a″).

1979 Nature 18 Jan. 176/1 This inference is drawn from the fact that lungfish and cows share derived characters (synapomorphies such as internal nostrils, an epiglottis, a two-chambered auricle and so on..) not found in salmon.

1898 E. B. Poulton Ess. Evol. (1908) 223 Müllerian Resemblance is not true Mimicry at all, but rather an example of Common Warning Colour,..the term Synaposematic was proposed as descriptive of it.

1907 Nature 31 Oct. 676/2 As a further illustration of..‘synaposematism’, or the adoption of a common warning badge on the part of distasteful forms, we may take the wonderfully diverse assemblage that centres round the conspicuous and distasteful beetles belonging to the genus Lycus.

a1909 Buck's Handbk. Med. Sci. VII. 685 Syncephalic.

1889 A. H. Buck Ref. Handbk. Med. Sci. VII. 24/1 The syncephali are not specially rare. The literature contains not less than seventy human cases.

1892 Univ. Med. Mag. (Univ. Pennsylvania) Nov. 112 A syncephalus and an otocephalus recently presented to the Wistar and Horner Museum.

1881 E. R. Lankester Stud. Apus, etc. 32 We distinguish the original ganglion pair of the præstomial region as the archi-cerebrum—it is well to designate by a distinct term the composite ganglion, which may result from the fusion with it of other ganglia—it may be called a syncerebrum.

1863 M. J. Berkeley Handbk. Brit. Mosses Gloss. 313 Syncladous, used when branchlets grow in tufts from the same point.

1898 New Sydenham Soc. Lexicon Syncotyledonous, having its cotyledons joined together.

1861 S. Austin in J. Austin Lect. Jurispr. (ed. 2) Note 331 Syncracy: wherein the executive powers reside in the sovereign one or number; but the legislative powers, in the sovereign one or number, with the active (as distinguished from the passive) portion of the subject citizens.

1902 G. B. Howes in Smithsonian Rep. (1903) 591 I have..proposed to discriminate between the series of terrestrial vertebrates as archæcraniate and syncraniate... The costal sternum, like the syncraniate skull, is distinctive of the Amniota alone.

1901 Trans. Entomol. Soc. 375 Mr. Beddard quotes this..as one of his cases of apparently useless mimicry, but it may be an example of syncryptic resemblance.

1945 F. E. Fritsch Struct. & Reprod. Algae II. 878 A different relation is seen in the association of certain Myxophyceae of small dimensions with Monads or Bacteria (syncyanoses of Pascher).

1967 Jrnl. Phycol. 3 37/2 Cyanophora is one of the few forms among the syncyanoses thus far found which has been thoroughly studied.

1978 Bio Systems 10 74/2 Lee suggested that members of the group originated from the union of a non-photosynthetic cryptomonad stock with cyanobacteria, resulting in an early ‘syncyanosis’ similar to that seen in Cyanophora paradoxa today.

1904 E. B. Poulton Ess. Evol. (1908) 60 Forms having certain structural characters in common distinguishing them from the forms of other groups. Groups thus defined by the Linnaean method of Diagnosis may be conveniently called Syndiagnostic.

1910 W. M. Wheeler Ants xxi. 382 In the United States Megastilicus formicarius.., which is not uncommon in the large mound nests of Formica exsectoides, is..a typical synechthran.

1967 J. H. Sudd Introd. Behaviour Ants vi. 127 Synechthrans are always treated with hostility by the ants and usually they, in turn, prey on the ants.

1899 D. Sharp in Cambr. Nat. Hist. VI. 183 ‘Synecthry’, including those Insects, etc., to which the ants are hostile, but which nevertheless maintain themselves in the midst of their foes.

1859 J. S. Henslow Dict. Bot. Synema, the portion of the Gynostemium corresponding to the position of the combined filaments.

1886 A. H. Buck Ref. Handbk. Med. Sci. II. 680/2 Encephaloceles arising from abnormal adhesions, or what is technically known as synencephalocele.

1904 E. B. Poulton Ess. Evol. (1908) 61 Forms which have been shown..to be descended from common ancestors or from a common parthenogenetic or self-fertilizing ancestor. Such groups may be called Synepigonic.

1879 Times 12 Mar. 4/1 [Dr. Lasker] is, like his synethnic co-reformer Paul, a man of no great presence.

1937 Bailey & McCallien in Trans. Royal Soc. Edinb. 59 81 In the following pages: Antiform means a fold that closes upwards. Synform means a fold that closes downwards.

1978 Nature 12 Oct. 539/1 Preserved in a large secondary synform, there occurs a sequence, several hundred metres thick, consisting of ribbon cherts, bedded jasperites, [etc.].

1882 Encycl. Brit. XIV. 556/2 Collema (or Nostoc) itself, according to Nylander, is to be considered but as a single syngonimium.

1850 T. P. Kirkman in Cambr. & Dubl. Math. Jrnl. V. 102 A..curve..which..touches the n harmonicals (H), synharmonic with A in respect of the n pairs (u_ev_e).

1850 T. P. Kirkman in Cambr. & Dubl. Math. Jrnl. V. 104 Curves..which touch alike the three harmonicals..and meet each its synharmonic..at the six angles of the hexagon.

1850 T. P. Kirkman in Cambr. & Dubl. Math. Jrnl. V. 97 The tangents at the intersection of p = 0 and q = 0 form with them an harmonic pencil... Let this be denoted by saying that the two branches of [the curve] R = 0 are synharmonicals in respect of [the straight lines]p = 0 and q = 0.

1904 Jrnl. Royal Microsc. Soc. 222 L. Petri..finds the two nuclei (the synkarion) present in the hyphæ of the trama, as described for other hymenomycetes.

1905 Brit. Med. Jrnl. 25 Feb. 442 The male and female nuclei closely combine, forming the synkaryon.

1904 Jrnl. Royal Microsc. Soc. 94 That phase in the life-history, the synkaryophyte, which plays so important a part in the development in the Basidiomycetes.

1932 Mineral. u. petrogr. Mitt. XLII. 475 The older Archaean granites of Fennoscandia..belong to characteristically synkinematic intrusive complexes from an early stage of an orogenic cycle.

1952 T. F. W. Barth Theoret. Petrol. iii. 243 Synkinematic granitization is probably responsible for the majority of the large granodiorite and granite batholiths.

1973 J. T. Renouf tr. Didier Granites & their Enclaves 7 The orogenic granites are classically divided into synkinematic (= synorogenic or syntectonic) and post-tectonic types.

1881 J. Ross Treat. Dis. Nerv. Syst. I. i. v. 162 Synkinesis. Under this term are generally included certain involuntary movements of paralysed parts; but I shall extend the meaning of the word so as to include also certain motor anomalies which occur in muscles subject to spasm.

1883 W. Arthur On Difference between Physical & Moral Law 160 Carpo~genethlic synkinesis of the sexes with other phenomena of the botanic hierarchy.

1901 W. A. N. Dorland Med. Dict. (ed. 2) 663/2 Synkinetic, pertaining to or of the nature of synkinesis.

1921 J. H. L. Vogt in Jrnl. Geol. (Chicago) 29 321 The individuals of a mineral, segregated from a magma at an early stage, frequently swam together to assemblings or aggregates, the result of which is a structure, for which I propose the term together-swimming structure or synneusis structure.

1959 W. W. Moorhouse Study of Rocks in Thin Section xi. 241 Probably related to the banded character of the basic complexes is a texture, sometimes called ‘synneusis’ texture, in which the dark minerals..tend to occur as lenticular clumps or aggregates.

1967 Amer. Mineralogist 52 529 The preferential character of synneusis for several common individual minerals and mineral pairs.

1973 J. T. Renouf tr. Didier Granites & their Enclaves xiv. 368 When two rocks contain the same volumetric percentage of phenocrysts, synneusis is greatest in that with the smaller crystals and thus with the greatest number.

1911 R. R. Marett Anthropol. ix. 236 Let us assume, then, that there are two main stages in the historical evolution of society... I propose to term them the synnomic and the syntelic phases of society. ‘Synnomic’ (from the Greek nomos, custom) means that customs are shared. ‘Syntelic’ (from the Greek telos, end) means that ends are shared. The synnomic phase is, from the psychological point of view, a kingdom of habit; the syntelic phase is a kingdom of reflection.

1910 W. M. Wheeler Ants xxi. 381 The symphiles represent the élite,..and number hardly more than 300 to 400 species, whereas the synœketes are much more numerous.

1971 E. O. Wilson Insect Societies (1972) xx. 390/2 Most of the time..the Cremastocheilus have the status of synoeketes, that is, they are simply ignored and allowed to wander through the nest without interference.

1928 Daily Tel. 28 Sept. The synoptiscope..has what resemble two movable arms in each of which is part of a picture, the two together making the whole picture.

1898 New Sydenham Soc. Lexicon Synorchism.

1936 Bull. Amer. Assoc. Petroleum Geologists 20 853 Synorogenic movements dating from this time are to be recognized everywhere in this continent.

1971 I. G. Gass et al. Understanding Earth xx. 292/1 The synorogenic sediments that accompany mountain building.

1974 Nature 4 Oct. 382/2 In Africa the Kibaran belt experienced major tectonism about 1,300 Myr bp..with the subparallel Irumide belt undergoing synorogenic events about 1,100 Myr ago.

1786 J. Pinkerton Anc. Sc. Poems I. p. cxliii Synorthographic and Symphonious Words.

1894 W. Bateson Materials Study Variation xviii. 458 The ears of vertebrates..in the synotic or cephalotic condition are compounded in the middle line to a varying degree.

1910 Encycl. Brit. XII. 367/1 The more complex umbrella-shaped colonies of colonies (synrhabdosomes) described as provided with a common swimming bladder.

1903 Proc. Zool. Soc. 17 Mar. 282 The pelvis of the Musophagi.., its breadth is due..to the great length of the synsacral transverse processes.

1903 Proc. Zool. Soc. 17 Mar. 273 The most complete synsacrum is that of Coua, and is made up as follows:—1 thoracic, 3 lumbar, 3 lumbo-sacral, 2 sacral, and 4 caudal [vertebræ].

1960 Gloss. Geol. (Amer. Geol. Inst.) (ed. 2) Suppl. 65/1 Synsedimentary.

1976 Jrnl. Geol. Soc. 132 124 In sheet III the lower contact is a sharp, curved slide plane with occasional synsedimentary striations.

1979 Nature 9 Aug. 483/2 This sealing apparently results from a synsedimentary per~mineralisation caused by colloidal silica.

1847 W. E. Steele Handbk. Field Bot. p. xxii Cal[yx] synsepalous, coloured. Primuleæ.

1900 B. D. Jackson Gloss. Bot. Terms Synspermous.

1869 M. T. Masters Veg. Teratol. 50 Synspermy, or Union of the Seeds.

1910 Encycl. Brit. XIII. 708/1 Brilliant black crystals (syntagmatite) with augite and mica [are met with] in the sanidine bombs of Monte Somma, Vesuvius.

1902 Poulton in Encycl. Brit. XXVII. 147/1 Resemblances..incidentally caused by functional adaptation, such as the mole-like forms produced in the burrowing Insectivora [etc.]... Such likeness may be called Syntechnic Resemblance.

1942 M. P. Billings Struct. Geol. xv. 297 Syntectonic intrusives are always forcefully injected bodies, because the magma was moving under the influence of orogenic pressures.

1974 Nature 22 Mar. 325/2 In coastal Liberia the geological evidence of actual faulting that could definitely be said to be syntectonic with rifting is lacking.

1956 L. U. de Sitter Struct. Geol. xxvi. 392 The syntectonically metamorphosed mica-schists and migmatites.

1979 Nature 25 Jan. 290/1 A phase of upright asymmetric folding..with the steep limbs overturned to the north-west took place syntectonically with major brittle thrusting..of all units.

1911 R. R. Marett Anthropol. ix. 236 Syntelic [see synnomic].

1911 R. R. Marett Anthropol. ix. 237 That independence of character which is the prime condition of syntelic society.

1971 J. H. Renwick in Ann. Human Genetics XXXV. 80 If the inversion and a marker locus studied in the pedigree are syntenic (lying on the same chromosome pair), the marker may be on either side of either breakpoint and the linkage..to one of them may be close and may have a good chance of being detected.

1978 Nature 13 July 161/1 Five genes in the mouse..are syntenic and their human homologues have been assigned to human chromosome 1.

1971 J. H. Renwick in Ann. Human Genetics XXXV. 83 The prior probability of the hypothesis of synteny—i.e. that the autosomal marker locus is somewhere on the chromosome pair that bears the inversion—is A/T.

1974 Sci. Amer. July 39/1 Assaying a number of clones for various human enzymes therefore provides information on the synteny of genes.

1900 B. D. Jackson Gloss. Bot. Terms Syntepalous, the tepals united.

1839 G. Roberts Dict. Geol. Synthermal.., having the same degree of heat. Applied to the exterior and interior of the earth, which..are not synthermal, but differ greatly in temperature.

1917 S. S. Buckman Brachiopoda Namyau Beds in Palæontologia Indica New Ser. 3 ii. 234 Heimia protracta..is congeneric and contemporary with both and a stable-companion (syntopite) of the first.

1901 W. A. N. Dorland Illustr. Med. Dict. (ed. 2) 664/1 Syntoxoid.

1903 Brit. Med. Jrnl. 21 Mar. 654 The toxoids may again be subdivided into three groups, according to their affinity for the antitoxin, which may obviously be either greater (protoxoid), equal (syntoxoid), or less than (epitoxoid) that of the toxin.